Categories: Ransom

How to remove “Ransom.Koolova”?

The Ransom.Koolova is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Ransom.Koolova virus can do?

  • Creates RWX memory
  • Network activity detected but not expressed in API logs

How to determine Ransom.Koolova?


File Info:

crc32: 4B80ACF0md5: 7afca2b34c94997e671c41558d7859e6name: 7AFCA2B34C94997E671C41558D7859E6.mlwsha1: c4c25e7c26b5370966e85f00428e5335dd55e15fsha256: 63a145381e355bb97e9b8ff44a1fa8a07065bc98dda6afe9c53eaa02cbc847f0sha512: 7bc735c08ed6f089a64dc16827873446d9adaa1e0945565021b37845deb97f0a11b379413b9dfbb7d3560a9137dc28f2c199839f41f38e619d34819be9106f24ssdeep: 768:sYQEq51KNtazCJXTPB7d0kAF10ttSwUqk:sVEqPwt7XbBx0ki2tSwVktype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2015Assembly Version: 1.0.0.0InternalName: DUMB.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: DUMBProductVersion: 1.0.0.0FileDescription: DUMBOriginalFilename: DUMB.exe

Ransom.Koolova also known as:

K7AntiVirus Trojan ( 0056a4581 )
Lionic Trojan.Win32.Koolova.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.15077
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.DUMB
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.8484
Alibaba Ransom:MSIL/FileCoder.e59355f2
K7GW Trojan ( 0056a4581 )
Cybereason malicious.34c949
ESET-NOD32 a variant of MSIL/Filecoder.DY
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Koolova-9850494-0
Kaspersky HEUR:Trojan-Ransom.MSIL.Encoder.gen
BitDefender Generic.Ransom.Koolova.D47E19AD
NANO-Antivirus Trojan.Win32.Filecoder.fjwcei
MicroWorld-eScan Generic.Ransom.Koolova.D47E19AD
Tencent Win32.Trojan.Generic.Amcy
Ad-Aware Generic.Ransom.Koolova.D47E19AD
Sophos Mal/Crypdum-A
BitDefenderTheta Gen:NN.ZemsilF.34170.cm0@aG4lBOf
McAfee-GW-Edition GenericRXEF-BT!7AFCA2B34C94
FireEye Generic.Ransom.Koolova.D47E19AD
Emsisoft Generic.Ransom.Koolova.D47E19AD (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1133963
Antiy-AVL Trojan/Generic.ASMalwS.28CBADA
Microsoft Ransom:MSIL/FileCoder.PA!MTB
GData MSIL.Trojan-Ransom.Filecoder.AN
AhnLab-V3 Trojan/Win32.Occamy.C2499816
McAfee GenericRXEF-BT!7AFCA2B34C94
MAX malware (ai score=89)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.Koolova
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Filecoder
Fortinet MSIL/Filecoder.DY!tr.ransom
AVG Win32:RansomX-gen [Ransom]

How to remove Ransom.Koolova?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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