What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan:Win32/Prepscram.A!MTB detection name means that your PC 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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Trojan:Win32/Prepscram.A!MTB detection is a malware detection you can spectate in your computer. It usually shows up after the preliminary actions on your PC – opening the dubious email messages, clicking the advertisement in the Internet or mounting the program from dubious resources. From the second it shows up, you have a short time to act before it begins its malicious activity. And be sure – it is better not to await these destructive things.

What is Trojan:Win32/Prepscram.A!MTB virus?

Trojan:Win32/Prepscram.A!MTB is ransomware-type malware. It searches for the files on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It alters the networking settings in order to prevent you from looking for the removal guidelines or downloading the antivirus. Sometimes, Trojan:Win32/Prepscram.A!MTB can additionally prevent the launching of anti-malware programs.

Trojan:Win32/Prepscram.A!MTB Summary

In summary, Trojan:Win32/Prepscram.A!MTB virus activities in the infected computer are next:

  • Sample contains Overlay data;
  • The binary contains an unknown PE section name indicative of packing;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the files kept on the victim’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is hard to picture a more dangerous virus for both individuals and companies. The algorithms used in Trojan:Win32/Prepscram.A!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 currently exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can require up to a few hours to cipher all of your documents. Thus, seeing the Trojan:Win32/Prepscram.A!MTB detection is a clear signal that you must start the removal process.

Where did I get the Trojan:Win32/Prepscram.A!MTB?

Common methods of Trojan:Win32/Prepscram.A!MTB injection are basic for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite modern strategy in malware spreading – you get the e-mail that simulates some routine notifications about shipments or bank service conditions shifts. 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 fairly simple, but still requires a lot of awareness. Malware can hide in various places, and it is better to stop it even before it invades your computer than to rely upon an anti-malware program. Common cybersecurity awareness is just an essential item in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of money and time which you would spend while looking for a solution.

Trojan:Win32/Prepscram.A!MTB malware technical details

File Info:

name: 3F5D414BCB82D3E215AA.mlw
path: /opt/CAPEv2/storage/binaries/92e258e3b45b9b828eda14ba97dfe5560dfeaa5e418a13a816219817a748cb42
crc32: AC727F46
md5: 3f5d414bcb82d3e215aac5de92877117
sha1: 4a53460578017c2c432c2b22f5bcc912ab8202d8
sha256: 92e258e3b45b9b828eda14ba97dfe5560dfeaa5e418a13a816219817a748cb42
sha512: f98cd6afc98aa1fc88e2ef19624bddb51e3a24d87e0c18c071a51acc72dba28cad94b3fcc3058fb8be33a029975bb0bcff21d42f76f3a355511edff13d56096e
ssdeep: 1536:+cNXtaAy2xujsWjcdolNpcBYIl2voGn82HtVqor9DlcWiDGEf:pXoAy6uM606OnGnzv9rXcP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CCF36D177B810372D2A2027219598781A73EBDF61779CDA1B1D8401E17B3EA4937BBF2
sha3_384: 0e22bc774cc39a4d84fbb1b65fec459c48edc1e62c8bed351b4cdc37ba7dea7c2f8913c469ff7a5e90816f6600488e51
ep_bytes: 7dd48b45d88b55e03bf90f8dbf000000
timestamp: 2011-03-27 13:45:31

Version Info:

0: [No Data]

Trojan:Win32/Prepscram.A!MTB also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_100% (W)
AvastWin32:Evo-gen [Trj]
EmsisoftGen:Variant.Ransom.DopplePaymer.3 (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=83)
CynetMalicious (score: 100)
RisingVirus.CTS!1.DA0D (CLASSIC)
AVGWin32:Evo-gen [Trj]

How to remove Trojan:Win32/Prepscram.A!MTB?

Trojan:Win32/Prepscram.A!MTB malware is very hard to eliminate by hand. It stores its documents in multiple places throughout the disk, and can restore itself from one of the elements. In addition, a number of modifications in the windows registry, networking settings and Group Policies are really hard to find and revert to the original. It is much better to make use of a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware elimination purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated nearly every hour. Additionally, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for eliminating 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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