SCARSSCARS SCARS - Society of Citizens Against Relationship Scams Inc. A government registered crime victims' assistance & crime prevention nonprofit organization based in Miami, Florida, U.S.A. SCARS supports the victims of scams worldwide and through its partners in more than 60 countries around the world. Incorporated in 2015, its team has 30 years of continuous experience educating and supporting scam victims. Visit www.AgainstScams.org to learn more about SCARS.™ Cybersecurity Guide: Protecting Against RansomwareRansomware Ransomware is a type of malware from cryptovirology that threatens to publish the victim's personal data or perpetually block access to it unless a ransom is paid. While some simple ransomware may lock the system so that it is not difficult for a knowledgeable person to reverse, more advanced malware uses a technique called cryptoviral extortion. It encrypts the victim's files, making them inaccessible, and demands a ransom payment to decrypt them. In a properly implemented cryptoviral extortion attack, recovering the files without the decryption key is an intractable problem – and difficult to trace digital currencies such as paysafecard or Bitcoin and other cryptocurrencies that are used for the ransoms, making tracing and prosecuting the perpetrators difficult. Ransomware attacks are typically carried out using a Trojan virus disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment. However, one high-profile example, the WannaCry worm, traveled automatically between computers without user interaction.
All about ransomware
Ever wondered what all the ransomware fuss is about? You’ve heard about it at the office or read about it in the news. Maybe you’ve got a pop-up on your computer screen right now warning of a ransomware infection. Well, if you’re curious to learn all there is to know about ransomware, you’ve come to the right place. We’ll tell you about ransomware’s different forms, how you get it, where it came from, who it targets, and what to do to protect against it.
RansomRansom A ransom is an amount of money or other assets of value that is paid for blackmail, extortion, or under other threats or coercion. The ransom is usually paid in cash or now in cryptocurrency. Online blackmail, sextortion, and ransomware all demand ransoms to avoid negative outcomes. malwareMalware Short for "malicious software," this term means computer viruses and other types of programs that cybercriminals use to disrupt or access your computer, typically with the aim of gathering sensitive files and accounts., or ransomware, is a type of malware that prevents users from accessing their system or personal files and demands a ransom payment in order to regain access. The earliest variants of ransomware were developed in the late 1980s, and payment was to be sent via snail mail. Today, ransomware authors order that payment be sent via cryptocurrency or credit card.
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What Is Ransomware?
Ransomware is a type of malware threat actors use to infect computers and encrypt computer files until a ransom is paid. After the initial infection, ransomware will attempt to spread to connected systems, including shared storage drives and other accessible computers.
If the threat actor’s ransom demands are not met (i.e., if the victim does not pay the ransom), the files or encrypted data will usually remain encrypted and unavailable to the victim. Even after a ransom has been paid to unlock encrypted files, threat actors will sometimes demand additional payments, delete a victim’s data, refuse to decrypt the data, or decline to provide a working decryption key to restore the victim’s access. The Federal Government does not support paying ransomware demands.
How Does Ransomware Work?
Ransomware identifies the drives on an infected system and begins to encrypt the files within each drive. Ransomware generally adds an extension to the encrypted files, such as .aaa, .micro, .encrypted, .ttt, .xyz, .zzz, .locky, .crypt, .cryptolocker, .vault, or .petya, to show that the files have been encrypted—the file extension used is unique to the ransomware type.
Once the ransomware has completed file encryption, it creates and displays a file or files containing instructions on how the victim can pay the ransom. If the victim pays the ransom, the threat actor may provide a cryptographic key that the victim can use to unlock the files, making them accessible.
How Is Ransomware Delivered?
Ransomware is commonly delivered through phishing emails or via “drive-by downloads.” Phishing emails often appear as though they have been sent from a legitimate organization or someone known to the victim and entice the user to click on a malicious link or open a malicious attachment. A “drive-by downloadDrive-by download Drive-by download: The downloading of a virus or malware onto your computer or mobile device when you visit a compromised website — it happens without your clicking on anything at the site.” is a program that is automatically downloaded from the internet without the user’s consent or often without their knowledge. It is possible the malicious code may run after download, without user interaction. After the malicious code has been run, the computer becomes infected with ransomware.
What Can You Do To Protect My Data And Networks?
Back up your computer. Perform frequent backups of your system and other important files, and verify your backups regularly. If your computer becomes infected with ransomware, you can restore your system to its previous state using your backups.
Store your backups separately. A best practice is to store your backups on a separate device that cannot be accessed from a network, such as on an external hard drive. Once the backup is completed, make sure to disconnect the external hard drive or a separate device from the network or computer.
Train your organization. Organizations should ensure that they provide cybersecurity awareness training to their personnel. Ideally, organizations will have regular, mandatory cybersecurity awareness training sessions to ensure their personnel is informed about current cybersecurity threats and threat actor techniques. To improve workforce awareness, organizations can test their personnel with phishing assessments that simulate real-world phishing emails.
What Can You Do To Prevent Ransomware Infections?
Update and patchPatch A software program update that corrects known bugs or problems, or adds new features to a software program already installed on your computer. your computer. Ensure your applicationsApplications Applications or Apps An application (software), commonly referred to as an ‘app’ is a program on a computer, tablet, mobile phone or device. Apps are designed for specific tasks, including checking the weather, accessing the internet, looking at photos, playing media, mobile banking, etc. Many apps can access the internet if needed and can be downloaded (used) either for a price or for free. Apps are a major point of vulnerability on all devices. Some are designed to be malicious, such as logging keystrokes or activity, and others can even transport malware. Always be careful about any app you are thinking about installing. and operating systems (OSs) have been updated with the latest patches. Vulnerable applications and OSs are the targets of most ransomware attacks.
Use caution with links and when entering website addresses. Be careful when clicking directly on links in emails, even if the sender appears to be someone you know. Attempt to independently verify website addresses (e.g., contact your organization’s helpdesk, search the internet for the sender organization’s website or the topic mentioned in the email). Pay attention to the website addresses you click on, as well as those you enter yourself. Malicious website addresses often appear almost identical to legitimate sites, often using a slight variation in spelling or a different domain (e.g., .com instead of .net).
Open email attachments with caution. Be wary of opening email attachments, even from senders you think you know, particularly when attachments are compressed files or ZIP files.
Keep your personal information safe. Check a website’s security to ensure the information you submit is encrypted before you provide it.
Verify email senders. If you are unsure whether or not an email is legitimate, try to verify the email’s legitimacy by contacting the sender directly. Do not click on any links in the email. If possible, use a previous (legitimate) email to ensure the contact information you have for the sender is authentic before you contact them.
Inform yourself. Keep yourself informed about recent cybersecurity threats and up to date on ransomware techniques. You can find information about known phishing attacks on the Anti-Phishing Working Group website. You may also want to sign up for CISACybersecurity and Infrastructure Security Agency The Cybersecurity and Infrastructure Security Agency (CISA) is a standalone United States federal agency, an operational component under Department of Homeland Security (DHS) oversight. Its activities are a continuation of the National Protection and Programs Directorate (NPPD). CISA was established on November 16, 2018 when President Donald Trump signed into law the Cybersecurity and Infrastructure Security Agency Act of 2018. product notifications, which will alert you when a new Alert, Analysis Report, Bulletin, Current Activity, or Tip has been published.
Use and maintain preventative software programs. Install antivirus software, firewalls, and email filters—and keep them updated—to reduce malicious network traffic.
How Do You Respond To A Ransomware Infection?
Isolate the infected system. Remove the infected system from all networks, and disable the computer’s wireless, Bluetooth, and any other potential networking capabilities. Ensure all shared and networked drives are disconnected whether wired or wireless.
Turn off other computers and devices. Power-off and segregate (i.e., remove from the network) the infected computer(s). Power-off and segregate any other computers or devices that shared a network with the infected computer(s) that have not been fully encrypted by ransomware. If possible, collect and secure all infected and potentially infected computers and devices in a central location, making sure to clearly label any computers that have been encrypted. Powering-off and segregating infected computers and computers that have not been fully encrypted may allow for the recovery of partially encrypted files by specialists.
Secure your backups. Ensure that your backup data is offline and secure. If possible, scan your backup data with an antivirus program to check that it is free of malware.
What Do You Do If My Computer Is Infected With Ransomware?
- Home users: immediately contact your local FBIFBI FBI - Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, the FBI is also a member of the U.S. Intelligence Community and reports to both the Attorney General and the Director of National Intelligence. A leading U.S. counter-terrorism, counterintelligence, and criminal investigative organization, the FBI has jurisdiction over violations of more than 200 categories of federal crimes, including financial fraud. office or local U.S. Secret Service office to request assistance.
- Organizations: immediately report ransomware incidents to your IT helpdesk or security office.
- All users: change all system passwords once the ransomware has been removed. You can submit ransomware files to CISA for analysis via https://www.malware.us-cert.gov/MalwareSubmission/pages/submission.jsf
More Information About Ransomware
- CISA Ransomware page
- CISA Malware Analysis Submission page
- Protecting Against Malicious Code
- Handling Destructive Malware
- Carnegie Mellon Software Engineering Institute blog post: Ransomware: Best Practices for Prevention and Response
- FBI article: Incidents of Ransomware on the Rise
- FBI Tech Tuesday: Building a Digital Defense Against Ransomware at Home
- MalwareBytes – What Is Ransomware and How To Remove It
More Help
If you are a company, agency, or organization the SCARS US|GCP services division can help you avoid socially engineered attacks.
Contact them at www.USGCP.com
SCARS™ Team
A SCARS Division
Miami Florida U.S.A.
Portions from: United States Department of Homeland SecurityDepartment of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department (under the President) responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cybersecurity, and disaster prevention and management. – CISA
TAGS: Ransomware, Malware, Cybersecurity, Guide, Attact, Intrusion, Infection, VirusVirus A computer program that can replicate itself and spread from computer to computer or file to file. It comes to life only when you take a specific action, such as running a particular program., Socially Engineered Attacks, Protections, Data, Network, Computer,
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It is essential that law enforcement knows about scamsScams A Scam is a confidence trick - a crime - is an attempt to defraud a person or group after first gaining their trust through deception. Scams or confidence tricks exploit victims using their credulity, naïveté, compassion, vanity, irresponsibility, or greed and exploiting that. Researchers have defined confidence tricks as "a distinctive species of fraudulent conduct ... intending to further voluntary exchanges that are not mutually beneficial", as they "benefit con operators ('con men' - criminals) at the expense of their victims (the 'marks')". A scam is a crime even if no money was lost. & scammers, even though there is nothing (in most cases) that they can do.
Always report scams involving money lost or where you received money to:
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- The SCARS|CDN™ Cybercriminal Data Network – Worldwide Reporting Network HERE » or on www.Anyscam.com »
This helps your government understand the problem, and allows law enforcement to add scammers on watch lists worldwide.
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SCARS, RSN, Romance Scams Now, SCARS|WORLDWIDE, SCARS|GLOBAL, SCARS, Society of Citizens Against Relationship ScamsSCARS SCARS - Society of Citizens Against Relationship Scams Inc. A government registered crime victims' assistance & crime prevention nonprofit organization based in Miami, Florida, U.S.A. SCARS supports the victims of scams worldwide and through its partners in more than 60 countries around the world. Incorporated in 2015, its team has 30 years of continuous experience educating and supporting scam victims. Visit www.AgainstScams.org to learn more about SCARS., Society of Citizens Against Romance Scams, SCARS|ANYSCAM, Project Anyscam, Anyscam, SCARS|GOFCH, GOFCH, SCARS|CHINA, SCARS|CDN, SCARS|UK, SCARS Cybercriminal Data Network, Cobalt Alert, ScamScam A Scam is a confidence trick - a crime - is an attempt to defraud a person or group after first gaining their trust through deception. Scams or confidence tricks exploit victims using their credulity, naïveté, compassion, vanity, irresponsibility, or greed and exploiting that. Researchers have defined confidence tricks as "a distinctive species of fraudulent conduct ... intending to further voluntary exchanges that are not mutually beneficial", as they "benefit con operators ('con men' - criminals) at the expense of their victims (the 'marks')". A scam is a crime even if no money was lost. Victims Support GroupSupport Group In a support group, members provide each other with various types of help, usually nonprofessional and nonmaterial, for a particular shared, usually burdensome, characteristic, such as romance scams. Members with the same issues can come together for sharing coping strategies, to feel more empowered and for a sense of community. The help may take the form of providing and evaluating relevant information, relating personal experiences, listening to and accepting others' experiences, providing sympathetic understanding and establishing social networks. A support group may also work to inform the public or engage in advocacy. They can be supervised or not. SCARS support groups are moderated by the SCARS Team and or volunteers., are all trademarks of Society of Citizens Against Relationship Scams Incorporated.
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