What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Backdoor:Win32/Predator.J!MTB malware detection means that your computer is in big danger. This malware can correctly be identified 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 taken as soon as possible.
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Backdoor:Win32/Predator.J!MTB detection is a virus detection you can spectate in your computer. It frequently appears after the provoking activities on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from suspicious sources. From the instance it appears, you have a short time to act before it begins its harmful action. And be sure – it is far better not to wait for these malicious actions.

What is Backdoor:Win32/Predator.J!MTB virus?

Backdoor:Win32/Predator.J!MTB is ransomware-type malware. It looks for the documents on your computer, ciphers it, and then 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 avoid you from reading the removal articles or downloading the antivirus. Sometimes, Backdoor:Win32/Predator.J!MTB can additionally prevent the launching of anti-malware programs.

Backdoor:Win32/Predator.J!MTB Summary

In total, Backdoor:Win32/Predator.J!MTB malware actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Anomalous file deletion behavior detected (10+);
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Enumerates running processes;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system;
  • Ciphering the files kept on the victim’s disk drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a horror story for the last 4 years. It is difficult to imagine a more dangerous virus for both individuals and organizations. The algorithms used in Backdoor:Win32/Predator.J!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 already exists, and possibly will exist. But that malware does not do all these terrible things without delay – it may take up to a few hours to cipher all of your files. Thus, seeing the Backdoor:Win32/Predator.J!MTB detection is a clear signal that you must begin the elimination process.

Where did I get the Backdoor:Win32/Predator.J!MTB?

Typical tactics of Backdoor:Win32/Predator.J!MTB spreading are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern tactic in malware spreading – you get the e-mail that imitates some normal notifications about shipments or bank service conditions shifts. Within the email, there is an infected 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.

Preventing it looks quite easy, however, still needs a lot of focus. Malware can hide in different places, and it is far better to stop it even before it gets into your computer than to depend on an anti-malware program. Common cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fixing guide.

Backdoor:Win32/Predator.J!MTB malware technical details

File Info:

name: 49FAE99EB5320934DB72.mlw
path: /opt/CAPEv2/storage/binaries/20ac93a9be3d2790b044f72f258a61eb2bd0f781b7b5f5a37aca6c00b5c76eae
crc32: D6FD5C0F
md5: 49fae99eb5320934db7244542188b596
sha1: ae287a626fa0c300d891f19780c6d98f78364f33
sha256: 20ac93a9be3d2790b044f72f258a61eb2bd0f781b7b5f5a37aca6c00b5c76eae
sha512: 128ac4c66d75535e99a451f33fbe338d464807eaaa3e21d7e18df4f92d77658ccccb69a0d5cf7bd5a496873cdb79951da7e9801da3ac2ff6be66d1df7473ee4b
ssdeep: 12288:Vj7p+f+5dn2PU9fLv1Vam2RttEBdnQ0w9Z0sU4F1Ltp6xW55mVc7lJOvVPaB:Vj7p/IU9fL1Vam2RYXYZHzF1GW55mVcB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C8E4F121B6E0C0B3E26215790461C3F5AEAB38769626994FBFC51FF90F346D1972630E
sha3_384: a446fef814c164999513793e8554d5b7d1d08a723b6237c28df8762fbb86980338201de457c5fd5dfa06c3b2bbf2b887
ep_bytes: e88c510000e979feffffcccccccccccc
timestamp: 2017-12-30 01:04:16

Version Info:

0: [No Data]

Backdoor:Win32/Predator.J!MTB also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 100)
K7AntiVirusTrojan ( 0054cafc1 )
K7GWTrojan ( 0054cafc1 )
ESET-NOD32a variant of Win32/Kryptik.GSLY
AvastWin32:CrypterX-gen [Trj]
EmsisoftTrojan.Brsecmon.1 (B)
MAXmalware (ai score=99)
RisingTrojan.GenKryptik!8.AA55 (CLOUD)
SentinelOneStatic AI – Malicious PE
AVGWin32:CrypterX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Predator.J!MTB?

Backdoor:Win32/Predator.J!MTB malware is extremely hard to erase by hand. It places its files in multiple locations throughout the disk, and can restore itself from one of the elements. Furthermore, countless modifications in the windows registry, networking setups and also Group Policies are pretty hard to locate and return to the original. It is better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated practically every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts 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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