Win32:Crypt-OEX [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32:Crypt-OEX [Trj] detection name means that your system is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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Win32:Crypt-OEX [Trj] detection is a malware detection you can spectate in your computer. It usually shows up after the provoking activities on your computer – opening the untrustworthy email messages, clicking the advertisement in the Web or mounting the program from dubious resources. From the moment it shows up, you have a short time to do something about it until it begins its destructive activity. And be sure – it is better not to wait for these harmful actions.

What is Win32:Crypt-OEX [Trj] virus?

Win32:Crypt-OEX [Trj] is ransomware-type malware. It looks for the documents on your disk drive, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus also does a ton of harm to your system. It alters the networking settings in order to avoid you from reading the removal articles or downloading the anti-malware program. Sometimes, Win32:Crypt-OEX [Trj] can even stop the launching of anti-malware programs.

Win32:Crypt-OEX [Trj] Summary

In total, Win32:Crypt-OEX [Trj] ransomware activities in the infected computer are next:

  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Encrypting the documents kept on the target’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is hard to imagine a more dangerous virus for both individual users and companies. The algorithms utilized in Win32:Crypt-OEX [Trj] (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these bad things immediately – it may require up to several hours to cipher all of your documents. Hence, seeing the Win32:Crypt-OEX [Trj] detection is a clear signal that you must begin the removal process.

Where did I get the Win32:Crypt-OEX [Trj]?

Routine methods of Win32:Crypt-OEX [Trj] distribution are standard for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free program, so-called bait emails and hacktools. Bait emails are a quite new strategy in malware spreading – you get the e-mail that simulates some normal notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks quite simple, however, still needs tons of attention. Malware can hide in different spots, and it is far better to prevent it even before it gets into your system than to trust in an anti-malware program. Essential cybersecurity knowledge is just an important item in the modern world, even if your relationship with a computer remains on YouTube videos. That may save you a lot of time and money which you would spend while looking for a fix guide.

Win32:Crypt-OEX [Trj] malware technical details

File Info:

name: 8EC7B2B35B038436AAF8.mlw
path: /opt/CAPEv2/storage/binaries/072dcb873148281baee488cb90e5754a616e1a7901d6aaddde170d9669dc529f
crc32: 3E305AB1
md5: 8ec7b2b35b038436aaf8a184f760bf39
sha1: b36e310d56577a5136c929167b50754b840e6300
sha256: 072dcb873148281baee488cb90e5754a616e1a7901d6aaddde170d9669dc529f
sha512: cad2dbf0a1bf1e3b4d89b0c25395441a3383068b0e93149396c99fc3c363cbe8fe0d3f296f79d2abe5aa6e3fb4e79efe67e8d7bf861179670ae34693807283f6
ssdeep: 3072:uZEUz4L3ICDvV1+9w5K94Uu0xDnPoZ3M4HvxKBpS/IgqNkTwQqT8+UW4i9lQ:uZEUz2lTV1+6sPxAtypSdqNrM89C
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T102F30103ABCB5822C8C78DF04A9796A3DBB6271743F285CB4391DC25D829BE1DF76191
sha3_384: 5660e823f8c70bac39e51b5223bc7784becd9e0e53d83ff651595faa070bf43fed32fa7325797f8aad757f12528edb8a
ep_bytes: 68d00000006800000000683c744000e8
timestamp: 2012-10-31 11:58:19

Version Info:

0: [No Data]

Win32:Crypt-OEX [Trj] also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0040f2521 )
K7GWTrojan ( 0040f2521 )
EmsisoftTrojan.Encpk.Gen.1 (B)
VIPRETrojan.Win32.Encpk.afnb (v)
SophosMal/Generic-R + Mal/EncPk-AFN
MAXmalware (ai score=100)
CynetMalicious (score: 100)
AvastWin32:Crypt-OEX [Trj]
RisingTrojan.Win32.Generic.13DE7590 (C64:YzY0OoKUI3LmmbIV)
AVGWin32:Crypt-OEX [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32:Crypt-OEX [Trj]?

Win32:Crypt-OEX [Trj] malware is extremely difficult to erase by hand. It places its files in several locations throughout the disk, and can recover itself from one of the parts. In addition, various changes in the windows registry, networking settings and also Group Policies are really hard to find and revert to the initial. It is far better to use a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated practically every hour. Furthermore, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for taking out malware of any form.

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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