![]() ![]() How to protect yourself from ransomware infections? Combo Cleaner is owned and operated by Rcs Lt, the parent company of read more. To use full-featured product, you have to purchase a license for Combo Cleaner. Our security researchers recommend using Combo Cleaner. To eliminate possible malware infections, scan your computer with legitimate antivirus software. Additional password-stealing trojans and malware infections can be installed together with a ransomware infection. Infected email attachments (macros), torrent websites, malicious ads.Īll files are encrypted and cannot be opened without paying a ransom. Cyber criminals demand payment of a ransom (usually in bitcoins) to unlock your files. A ransom demand message is displayed on your desktop. zteqqd (files are also appended with a unique ID)Īvast (Win32:RansomX-gen ), Combo Cleaner (.6.Gen), ESET-NOD32 (A Variant Of MSIL/), Kaspersky (HEUR:), Microsoft (Ransom:MSIL/Thanos.DC!MTB), Full List Of Detections ( VirusTotal)Ĭannot open files stored on your computer, previously functional files now have a different extension (for example, my.docx.locked). The most commonly used distribution methods include: drive-by (stealthy and deceptive) downloads, malicious attachments and links in spam mail (e.g., emails, DMs/PMs, SMSes, etc.), online scams, malvertising, untrustworthy download sources (e.g., freeware and free file-hosting sites, P2P sharing networks, etc.), illegal program activation tools ("cracks"), and fake updaters. ![]() When such a file is executed, run, or otherwise opened – the infection process is jumpstarted. run, etc.), archives (ZIP, RAR, etc.), documents ( Microsoft Office, Microsoft OneNote, PDF, etc.), JavaScript, and so on. Malicious software is usually disguised as or bundled with ordinary programs/media. Malware (ransomware included) is primarily distributed by employing phishing and social engineering tactics. However, these programs have two major differences in-between – the cryptographic algorithms they use ( symmetric or asymmetric) and the ransom size. This malware is designed to encrypt data and demand payment for the decryption. We have analyzed thousands of ransomware-type programs MEDUSA, Jron, Tils, SHTORM, Saw – are merely some examples. The general advice for ensuring data safety is to keep backups in several different locations (e.g., remote servers, unplugged storage devices, etc.). The sole solution is to recover them from a backup (if one is available). Unfortunately, removal will not restore already compromised files. To prevent Zteqqd ransomware from encrypting more files – it must be eliminated from the operating system. Therefore, we strongly advise against meeting the ransom demands and thus inadvertently supporting this illegal activity. ![]() We have analyzed and researched thousands of ransomware infections, and this experience allows us to infer that decryption is usually impossible without the cyber criminals' involvement.įurthermore, despite paying – victims often do not receive the promised decryption keys/tools. The note recommends that if the victim plans on taking any of the aforementioned actions – to create file backups beforehand. The victim is warned that modifying the encrypted files and using third-party recovery tools or anti-virus software will render the data undecryptable. The message also offers a free decryption test within certain limitations. ![]() While the size of the sum is not indicated in the note, it is stated that the payment will have to be made in Monero (XMR) cryptocurrency. It informs victims that they must pay a ransom to decrypt the affected files. The ransom-demanding message states that the victim's files have been encrypted. Screenshot of files encrypted by Zteqqd ransomware: After the encryption process was completed, this ransomware dropped a ransom note – " RESTORE_FILES_INFO.txt" – onto the desktop. For example, a file initially titled " 1.jpg" appeared as " 1.jpg.zteqqd", and so forth. The titles of affected files were appended with a unique ID assigned to the victim and a ". On our testing machine, this ransomware encrypted files and altered their filenames. Zteqqd is a ransomware-type program that our researchers discovered while inspecting new submissions to VirusTotal. ![]()
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