Troj/Krypt-RF

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Troj/Krypt-RF detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Troj/Krypt-RF detection is a malware detection you can spectate in your computer. It generally appears after the preliminary activities on your computer – opening the suspicious e-mail messages, clicking the banner in the Web or setting up the program from unreliable sources. From the instance it appears, you have a short time to take action before it starts its harmful action. And be sure – it is far better not to await these malicious things.

What is Troj/Krypt-RF virus?

Troj/Krypt-RF 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 files locked, this virus additionally does a lot of harm to your system. It modifies the networking settings in order to prevent you from checking out the elimination articles or downloading the antivirus. Sometimes, Troj/Krypt-RF can even stop the setup of anti-malware programs.

Troj/Krypt-RF Summary

In total, Troj/Krypt-RF ransomware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Georgian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Anomalous binary characteristics;
  • Ciphering the files kept on the target’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a horror story for the last 4 years. It is hard to imagine a more harmful malware for both individual users and businesses. The algorithms used in Troj/Krypt-RF (generally, 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 actually exists, and possibly will exist. However, that virus does not do all these bad things instantly – it can take up to several hours to cipher all of your documents. Thus, seeing the Troj/Krypt-RF detection is a clear signal that you must start the elimination process.

Where did I get the Troj/Krypt-RF?

General methods of Troj/Krypt-RF distribution are basic for all other ransomware examples. 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 quite new strategy in malware spreading – you get the e-mail that simulates some regular notifications about shipments or bank service conditions changes. Within the email, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks pretty easy, however, still needs a lot of attention. Malware can hide in various places, and it is much better to prevent it even before it invades your system than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may keep you a great deal of time and money which you would certainly spend while trying to find a solution.

Troj/Krypt-RF malware technical details

File Info:

name: C6380FF4DF0639A3843E.mlw
path: /opt/CAPEv2/storage/binaries/45d708ba769f79765adff2480c1321b80eb91619b2a80891e9e15c1b6c3e7b58
crc32: 67F53622
md5: c6380ff4df0639a3843eab1b51eadcf7
sha1: 4d1bb3546222831ac42d1daf1c2c7cc4a8840718
sha256: 45d708ba769f79765adff2480c1321b80eb91619b2a80891e9e15c1b6c3e7b58
sha512: 2d57d96eddf1170804d9ce23e457143e93028ee83eda7bbbc10e86899c4bf734cc6ffd4a1f1a531f585cfc543d1f7c493d93f455b8573f52274e700ea018c47e
ssdeep: 6144:XTcLqQ9IqmS99kLa8g87Zit9ea8o6koRGBAC5jVg9uzbgwuo+YwVfLV2o:XQekYS9qa8dZit9eaa/oAOViunnJ+X
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AF94E1313AA9C8B1D563193488B497A19B7AFC716530944B371012AD5EB3F8C9AF632F
sha3_384: ef623fe369bc4a008cb7801c2b34c9c2693d587c86c8086f91f9da44ffdf381a51359e915914dca9359458d31d5c2d0a
ep_bytes: e8bf600000e979feffffcccccccccc8b
timestamp: 2022-03-08 15:02:04

Version Info:

FileVersions: 12.32.9.87
InternationalName: povgwaoci.iwe
Copyright: Copyright (C) 2022, somoklos
ProjectVersion: 82.42.46.96

Troj/Krypt-RF also known as:

Elasticmalicious (high confidence)
MalwarebytesTrojan.MalPack
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (D)
CyrenW32/Ransom.QS.gen!Eldorado
SymantecPacked.Generic.525
ClamAVWin.Malware.Azorult-9949206-0
KasperskyVHO:Backdoor.Win32.Convagent.gen
AvastCrypterX-gen [Trj]
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.c6380ff4df0639a3
SophosTroj/Krypt-RF
SentinelOneStatic AI – Suspicious PE
GoogleDetected
MicrosoftRansom:Win32/StopCrypt!ml
CynetMalicious (score: 100)
CylanceUnsafe
RisingTrojan.Generic@AI.80 (RDML:xGTCK4/8koMOWQPp8XDFrw)
IkarusTrojan-Ransom.StopCrypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.HACT!tr
AVGCrypterX-gen [Trj]

How to remove Troj/Krypt-RF?

Troj/Krypt-RF malware is extremely difficult to erase by hand. It places its documents in multiple places throughout the disk, and can recover itself from one of the elements. Furthermore, countless alterations in the registry, networking settings and Group Policies are quite hard to discover and revert to the original. It is better to make use of a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated just about every hour. Furthermore, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for clearing away 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.

One Response

  1. Saumitra Jagtap October 9, 2022

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