What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/FormBook.RR!MTB malware detection usually means that your system is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Trojan:Win32/FormBook.RR!MTB detection is a malware detection you can spectate in your computer. It generally appears after the preliminary activities on your PC – opening the suspicious email messages, clicking the banner in the Internet or setting up the program from dubious sources. From the moment it appears, you have a short time to act until it begins its harmful action. And be sure – it is better not to wait for these harmful effects.

What is Trojan:Win32/FormBook.RR!MTB virus?

Trojan:Win32/FormBook.RR!MTB is ransomware-type malware. It looks for the files on your disk, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a lot of harm to your system. It changes the networking settings in order to stop you from reading the removal tutorials or downloading the anti-malware program. In some cases, Trojan:Win32/FormBook.RR!MTB can additionally block the setup of anti-malware programs.

Trojan:Win32/FormBook.RR!MTB Summary

In total, Trojan:Win32/FormBook.RR!MTB malware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Guard pages use detected – possible anti-debugging.;
  • Attempts to connect to a dead IP:Port (255 unique times);
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Encrypting the documents kept on the victim’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is hard to picture a more harmful malware for both individual users and organizations. The algorithms used in Trojan:Win32/FormBook.RR!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. But that malware does not do all these horrible things instantly – it can require up to a few hours to cipher all of your files. Hence, seeing the Trojan:Win32/FormBook.RR!MTB detection is a clear signal that you have to start the removal process.

Where did I get the Trojan:Win32/FormBook.RR!MTB?

Common tactics of Trojan:Win32/FormBook.RR!MTB spreading are usual for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a pretty modern method in malware distribution – you receive the email that mimics some standard notifications about shippings or bank service conditions changes. Within the e-mail, there is a malicious MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty uncomplicated, but still needs tons of attention. Malware can hide in different spots, and it is better to stop it even before it gets into your PC than to depend on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a computer remains on YouTube videos. That may keep you a lot of time and money which you would certainly spend while looking for a fix guide.

Trojan:Win32/FormBook.RR!MTB malware technical details

File Info:

name: FD5335CB2048105926A3.mlw
path: /opt/CAPEv2/storage/binaries/ad49b2d15d6f583f1b166ce4082e71f0cb005ca2644670938ab947c3e7d08248
crc32: C95BAC32
md5: fd5335cb2048105926a37ef5b18507ac
sha1: b84872e64e1a0b056cb3e8be620560adf4d4f785
sha256: ad49b2d15d6f583f1b166ce4082e71f0cb005ca2644670938ab947c3e7d08248
sha512: f3c74dde40f04a985f0f9234e1f2a3bd25e551c97cfeff3e03277fe722a0be361a3ff8f0dd16b0607b4df468b8c893edea3c9dfd5c93d67661ce729741ba83f1
ssdeep: 6144:N1N/Dax/aVcaP4KeX7N2wD4QTqI7AGER6ifSHzqVDAUBlWLbOeubt2gX:N1BDaxiVcaP4cy1Td7g6ifSHPubt2k
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12425D811B95012B9F889417709FF3788839868924FE991D7208F2DFEDC2BBD4E6B51C6
sha3_384: 4e3b386d585e5a73c585f37a2e9cfdf3500140fd7cd519e0d9ea87e9c1ab790f1f515115b0bfb57988cf6c64dbc0d3f0
ep_bytes: e9390d0800e92c820100e987cb0400e9
timestamp: 2022-06-05 15:04:38

Version Info:

0: [No Data]

Trojan:Win32/FormBook.RR!MTB also known as:

Elasticmalicious (moderate confidence)
K7AntiVirusTrojan ( 0058f1b01 )
K7GWTrojan ( 0058f1b01 )
ESET-NOD32a variant of Win32/Filecoder.OKE
CynetMalicious (score: 100)
MAXmalware (ai score=85)
CrowdStrikewin/malicious_confidence_60% (W)

How to remove Trojan:Win32/FormBook.RR!MTB?

Trojan:Win32/FormBook.RR!MTB malware is incredibly difficult to eliminate by hand. It puts its files in numerous places throughout the disk, and can get back itself from one of the elements. Furthermore, a range of changes in the windows registry, networking configurations and also Group Policies are quite hard to find and revert to the original. It is much better to make use of a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated almost every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for removing malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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