What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Virus.Win32.PolyRansom.k malware detection means that your PC is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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Virus.Win32.PolyRansom.k detection is a virus detection you can spectate in your computer. It often shows up after the preliminary procedures on your computer – opening the suspicious email messages, clicking the banner in the Web or setting up the program from dubious resources. From the instance it shows up, you have a short time to do something about it until it starts its destructive activity. And be sure – it is much better not to wait for these malicious actions.

What is Virus.Win32.PolyRansom.k virus?

Virus.Win32.PolyRansom.k is ransomware-type malware. It looks for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware additionally does a ton of damage to your system. It modifies the networking setups in order to avoid you from checking out the removal manuals or downloading the anti-malware program. In rare cases, Virus.Win32.PolyRansom.k can also stop the launching of anti-malware programs.

Virus.Win32.PolyRansom.k Summary

In total, Virus.Win32.PolyRansom.k virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Expresses interest in specific running processes;
  • Manipulates data from or to the Recycle Bin;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Created a process from a suspicious location;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Attempts to disable UAC;
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents kept on the target’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is difficult to picture a more harmful malware for both individual users and organizations. The algorithms used in Virus.Win32.PolyRansom.k (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 actually exists, and possibly will exist. However, that virus does not do all these unpleasant things instantly – it may take up to a few hours to cipher all of your documents. Hence, seeing the Virus.Win32.PolyRansom.k detection is a clear signal that you need to begin the elimination process.

Where did I get the Virus.Win32.PolyRansom.k?

General methods of Virus.Win32.PolyRansom.k spreading are basic for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you get the email that simulates some routine notifications about shippings or bank service conditions modifications. Inside of the email, there is a malicious MS Office file, or a web 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 quite uncomplicated, however, still demands tons of focus. Malware can hide in various places, and it is much better to stop it even before it gets into your system than to trust in an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while seeking a solution.

Virus.Win32.PolyRansom.k malware technical details

File Info:

name: D220F2F61CDE2B5B13CF.mlw
path: /opt/CAPEv2/storage/binaries/0029448109d0865cac0669ca2a25662a861b5f131046f026499883688f231c0a
crc32: D4821F44
md5: d220f2f61cde2b5b13cff0dd5ab488e3
sha1: 693753b0c15fa6e4d0b69e92a7f128c41b7d4dcf
sha256: 0029448109d0865cac0669ca2a25662a861b5f131046f026499883688f231c0a
sha512: f9a0593ba9058c40fe4248b76cb2d8c205393ae4f1ffb651c8d28fd8c9ce6ad52a297c601f8885d08faaf1542c645d99ffe778440ae8fc37fc6567ccd27d31aa
ssdeep: 49152:s861s2aQGX5gnGCvvGRqdNdxfvZKlL8qMfA:s8r2vnGC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D0A50209DE1D5902CA71D67AE5C619F3862093B0DF4D27DBC40A22861326BE4AE7DF1F
sha3_384: 98a7ad3a83c1511de6abc6b77876bb958345bd485fed66f914007965f4b8a7e62d4ae6d948dc9d6db6f68e621b2efc55
ep_bytes: 6a4068001000006800f400006a00e82e
timestamp: 2022-02-04 08:33:13

Version Info:

0: [No Data]

Virus.Win32.PolyRansom.k also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 0052b3dd1 )
K7AntiVirusTrojan ( 0052b3dd1 )
ESET-NOD32a variant of Win32/Virlock.J
CynetMalicious (score: 100)
VIPREVirus.Win32.Nabucur.c (v)
SophosML/PE-A + W32/VirRnsm-F
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=89)
RisingMalware.Heuristic!ET#95% (RDMK:cmRtazqoFPLp3uIVPdOZrSZd/eXi)

How to remove Virus.Win32.PolyRansom.k?

Virus.Win32.PolyRansom.k malware is very hard to remove manually. It puts its documents in multiple places throughout the disk, and can recover itself from one of the elements. Moreover, a lot of modifications in the windows registry, networking setups and also Group Policies are fairly hard to find and revert to the original. It is far better to use a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated almost 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 getting rid of malware of any type.

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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