What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/EnignaCrypt.PAA!MTB detection name means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.
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Ransom:Win32/EnignaCrypt.PAA!MTB detection is a virus detection you can spectate in your system. It often appears after the preliminary activities on your computer – opening the suspicious email, clicking the banner in the Web or setting up the program from suspicious sources. From the moment it shows up, you have a short time to take action before it begins its destructive activity. And be sure – it is better not to wait for these harmful things.

What is Ransom:Win32/EnignaCrypt.PAA!MTB virus?

Ransom:Win32/EnignaCrypt.PAA!MTB is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It alters the networking settings in order to stop you from checking out the elimination manuals or downloading the anti-malware program. In some cases, Ransom:Win32/EnignaCrypt.PAA!MTB can also block the launching of anti-malware programs.

Ransom:Win32/EnignaCrypt.PAA!MTB Summary

In total, Ransom:Win32/EnignaCrypt.PAA!MTB ransomware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Installs itself for autorun at Windows startup;
  • Performs a large number of encryption calls using the same key possibly indicative of ransomware file encryption behavior;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Appends a known Enigma ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics;
  • Ciphering the files located on the target’s disks — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a headache for the last 4 years. It is challenging to picture a more damaging virus for both individual users and organizations. The algorithms utilized in Ransom:Win32/EnignaCrypt.PAA!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually 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 documents. Hence, seeing the Ransom:Win32/EnignaCrypt.PAA!MTB detection is a clear signal that you should start the removal procedure.

Where did I get the Ransom:Win32/EnignaCrypt.PAA!MTB?

Standard methods of Ransom:Win32/EnignaCrypt.PAA!MTB distribution are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a relatively new method in malware spreading – you get the e-mail that imitates some standard notifications about deliveries or bank service conditions modifications. Inside of the e-mail, there is a corrupted 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 fairly simple, however, still requires a lot of recognition. Malware can hide in various places, and it is better to prevent it even before it goes into your PC than to trust in an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can keep you a great deal of time and money which you would certainly spend while looking for a fix guide.

Ransom:Win32/EnignaCrypt.PAA!MTB malware technical details

File Info:

name: 3C4BD64012EAFCC14951.mlw
path: /opt/CAPEv2/storage/binaries/7e572aa9057e7f7bb9bf4fff30b20d2b48bc849d37f57057fbb831a3f1386fad
crc32: 3C24320D
md5: 3c4bd64012eafcc149517d464a23710d
sha1: d3c363003232409d345854991c6c87c40834fac7
sha256: 7e572aa9057e7f7bb9bf4fff30b20d2b48bc849d37f57057fbb831a3f1386fad
sha512: 0fcf56c1fffb33e5c9fa9581c7216e8823f9bbb450792c7abdef7dcc806bf55318cf02a5d99e3f458bfa5b77011c7644de75dbd2d6cb011b8045ae54afc160c8
ssdeep: 6144:5g4fmnE4xsyN2kw0kXAbmCLAnNmVMejkGLr:+46OO00kXAbvLAnNmVMejNr
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T151547D32716AE07BC0521BF09A3AA33E8E693DB455B159476BC10E7D2FB02C1DB5827D
sha3_384: 802066de18fe1715117c5ec36707c99bc901839741b71032c24bcfbe7f19ac36787a5f1dc82c3d29d571f32d9ee243c2
ep_bytes: e8d0ad0000e995feffff8bff558bec51
timestamp: 2016-10-09 16:05:04

Version Info:

0: [No Data]

Ransom:Win32/EnignaCrypt.PAA!MTB also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_80% (D)
ESET-NOD32a variant of Win32/Filecoder.Enigma.H
RisingTrojan.Filecoder!8.68 (TFE:dGZlOgV87Pm67ZuYaQ)
EmsisoftDeepScan:Generic.Ransom.Enigma.0590E9CE (B)
MAXmalware (ai score=85)
SentinelOneStatic AI – Malicious PE
AVGWin32:RansomX-gen [Ransom]
AvastWin32:RansomX-gen [Ransom]

How to remove Ransom:Win32/EnignaCrypt.PAA!MTB?

Ransom:Win32/EnignaCrypt.PAA!MTB malware is extremely difficult to eliminate manually. It places its documents in multiple locations throughout the disk, and can restore itself from one of the parts. In addition, a number of alterations in the windows registry, networking settings and Group Policies are fairly hard to identify and revert to the original. It is better to use a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated nearly every hour. Furthermore, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for clearing away 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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