Ransom:Win32/Grymegat.A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/Grymegat.A detection usually means that your computer is in big danger. This virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.
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Ransom:Win32/Grymegat.A detection is a malware detection you can spectate in your system. It usually appears after the preliminary activities on your PC – opening the untrustworthy e-mail messages, clicking the advertisement in the Internet or setting up the program from dubious resources. From the moment it appears, you have a short time to do something about it before it begins its harmful activity. And be sure – it is much better not to wait for these destructive actions.

What is Ransom:Win32/Grymegat.A virus?

Ransom:Win32/Grymegat.A is ransomware-type malware. It looks for the files on your disks, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus also does a ton of damage to your system. It changes the networking settings in order to prevent you from reading the removal manuals or downloading the antivirus. Sometimes, Ransom:Win32/Grymegat.A can also prevent the launching of anti-malware programs.

Ransom:Win32/Grymegat.A Summary

In total, Ransom:Win32/Grymegat.A virus actions in the infected PC are next:

  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents kept on the target’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to imagine a more dangerous malware for both individuals and businesses. The algorithms utilized in Ransom:Win32/Grymegat.A (typically, 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 terrible things instantly – it can require up to several hours to cipher all of your files. Hence, seeing the Ransom:Win32/Grymegat.A detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Ransom:Win32/Grymegat.A?

Common methods of Ransom:Win32/Grymegat.A spreading are common for all other ransomware examples. Those are one-day landing web pages where users are offered to download the free program, so-called bait emails and hacktools. Bait emails are a quite new strategy in malware spreading – you receive the email that simulates some normal notifications about shipments or bank service conditions changes. Inside of the email, there is an infected 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 pretty easy, but still demands tons of focus. Malware can hide in various spots, and it is far better to prevent it even before it gets into your system than to trust in an anti-malware program. General cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a great deal of money and time which you would certainly spend while looking for a fixing guide.

Ransom:Win32/Grymegat.A malware technical details

File Info:

name: 842511B03413CD130232.mlw
path: /opt/CAPEv2/storage/binaries/7d76b0b2e877a41f1feffb3452e95f78112414041a9c4d288c695461822cb392
crc32: C4802471
md5: 842511b03413cd13023266d9e7c385f7
sha1: a5242b45e81cc36942fc17731180675fe045d04c
sha256: 7d76b0b2e877a41f1feffb3452e95f78112414041a9c4d288c695461822cb392
sha512: aaff0ce25eac61f10df7241be07ea2e919909ba9f1d719dcf74cdb77a25c296e957c259eb8bea4d625dd08e0122e0865c96289146142f7ab5d9fcb1807a6b131
ssdeep: 3072:vbLXOPbZKULLXmw3fvclIAsktvsx4wxpqH5W5j:vn+PFKULLXmwPCAktvtwoC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T185148E53B2D08D76D0B50B3C8CDAA3757639FE811E2E2667B2ED671D4D3928209983D2
sha3_384: 1fda12d169e9adb9029097d95ba5229de54a93dc20275091be1a48aed147ec7e14385ce99854876e5e18a4cc06f99557
ep_bytes: 558becb9080000006a006a004975f953
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Ransom:Win32/Grymegat.A also known as:

BkavW32.AIDetectMalware
tehtrisGeneric.Malware
McAfeeArtemis!842511B03413
Cylanceunsafe
SangforTrojan.Win32.Save.a
BitDefenderTrojan.GenericKD.67437013
CrowdStrikewin/malicious_confidence_100% (D)
CyrenW32/Virtumonde.BD.gen!Eldorado
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Publedl.A
APEXMalicious
ClamAVWin.Packed.Zbot-7437352-0
KasperskyUDS:DangerousObject.Multi.Generic
NANO-AntivirusTrojan.Win32.TrjGen.cehzvv
RisingDownloader.Wintrim!8.92D (TFE:1:WOg3NZ32erD)
SophosMal/Generic-S
F-SecureBackdoor.BDS/Backdoor.Gen
DrWebTrojan.Winlock.7276
McAfee-GW-EditionBehavesLike.Win32.Generic.dt
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.842511b03413cd13
JiangminTrojan/Generic.altus
GoogleDetected
AviraBDS/Backdoor.Gen
MAXmalware (ai score=84)
Antiy-AVLTrojan/Win32.Unknown
MicrosoftRansom:Win32/Grymegat.A
ZoneAlarmUDS:DangerousObject.Multi.Generic
CynetMalicious (score: 100)
VBA32Trojan.Genome.am
MalwarebytesMalware.AI.737807877
PandaGeneric Malware
TencentWin32.Backdoor.Backdoor.Aujl
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Vundo.SO!tr
BitDefenderThetaGen:NN.ZelphiF.36250.muW@aq5bWZd
AVGWin32:Evo-gen [Trj]
AvastWin32:Evo-gen [Trj]

How to remove Ransom:Win32/Grymegat.A?

Ransom:Win32/Grymegat.A malware is incredibly hard to delete by hand. It puts its data in numerous places throughout the disk, and can recover itself from one of the parts. In addition, a lot of modifications in the registry, networking setups and also Group Policies are pretty hard to discover and change to the original. It is better to make use of a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated practically every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable 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.

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