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FunFact Ransomware

Posted: January 26, 2017

Threat Metric

Threat Level: 10/10
Infected PCs: 68
First Seen: January 26, 2017
OS(es) Affected: Windows

The FunFact Ransomware is a Trojan that blocks you from opening your files by locking them with asymmetric encryption. Other components that this threat drops on your hard drive will demand Bitcoin payments for recovering your content, although no guarantees of good faith service are possible with cryptocurrency-based transactions. After noting symptoms of this Trojan, such as extortion messages, you should use anti-malware products for deleting the FunFact Ransomware and recovering any affected content through a backup.

The Not-So-Fun Fact of Reoccurring Trojan Campaigns

Even though the industry for file-encrypting threat brims with more competition than ever, each campaign provides an original spin on how to commit these increasingly standardized attacks. One of the newer threats malware experts see this month, the FunFact Ransomware includes ransoming components that may indicate its threat actor's targeting smartphone users. However, the FunFact Ransomware also maintains the ability to lock, and, therefore, exploit for extortion, the files of a regular PC.

The FunFact Ransomware encrypts local data, such as JPG images or DOC documents, with what it claims to be an AES algorithm that it protects with another level of a RSA-based encoding. It also drops other components in the same directory as the locked content, including a DLL file with the encryption key, an INI-based ransoming message, and a JPG picture. The latter, which includes a Quick Response or QR Code, is of the greatest interest to threat analysts. Victims may scan the associated file to find out the wallet address where the threat actors are collecting their ransom payments.

The Trojan also includes a more well-developed extortion notification than its INI text: a pop-up that it may incorporate into a desktop-blocking 'lock-screen.' This window includes additional instructions for contacting the FunFact Ransomware's admins and paying Bitcoin currency for your files, along with a time limit for accepting payments and a built-in display of the QR code. Unlike most attacks of a similar nature, the FunFact Ransomware's authors don't include any extensions or filename changes for helping you see which files the Trojan is locking.

The Facts Behind Throwing Away Money for Uncertain Solutions

Threat campaigns against smartphone users aren't extraordinarily rare (see also: Lockerpin), although most file-encrypting threats prefer targeting business servers with large amounts of financially valuable data. Whether confidential customer data or pictures are the items that the FunFact Ransomware encrypts, taking the risk of paying its Bitcoin ransom is inadvisable. Con artists exaggerate the strength of the encryption algorithms they leverage in their Trojans' payloads habitually, and free decryptors for threats like the FunFact Ransomware often are available.

Although malware experts don't see samples of the FunFact Ransomware hiding their components, including the easily-detectable ransom-related data, these files are visible after the Trojan has locked your local content successfully. Use anti-malware products to scan new downloads and delete the FunFact Ransomware proactively, or employ backups for overwriting any encoded content without requiring a decryption service. Past campaigns of the FunFact Ransomware's category often, but not solely, prefer e-mail spam for compromising business systems, whereas personal PC users are more likely to endanger themselves while browsing threatening websites or unsafe file-sharing networks.

There may be no fun to have with the FunFact Ransomware, but it does have the side benefit of signposting the necessity of backing your hard drive up on a regular basis, possibly including the contents of 'simple' like your phone.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



dir\name File name: name
Size: 230.4 KB (230400 bytes)
MD5: 405bedf1ff104b0d2f27fe7054869efc
Detection count: 80
Path: dir
Group: Malware file
Last Updated: May 5, 2017

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