Categories: RansomTrojan

TrojanRansom.Petr removal instruction

The TrojanRansom.Petr 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 TrojanRansom.Petr virus can do?

  • Executable code extraction
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Attempts to restart the guest VM
  • Installs itself for autorun at Windows startup
  • Unusual version info supplied for binary

How to determine TrojanRansom.Petr?


File Info:

crc32: 495873BBmd5: 2b82f4dfcfbf40f412e0302d2bcaf21fname: 2B82F4DFCFBF40F412E0302D2BCAF21F.mlwsha1: 947799d1fd5a5f8de888c831a2d833da2f6d0809sha256: 8f43e8da6b189e9295ba059cd9771edb32b2d42e77efe9e80f783c83ef847b55sha512: 25e4974390ac7a2a46f7c785969dae14242e027eb37e1fb50000cb2e2bbd9d3b896aebad1a7654afe9da3bc4c7ab4afdb5a7d2e5dfb27ecedbe676359da15c65ssdeep: 1536:BzW+UWvxY9Qgu9iLoLSGnH/Ss5gpZRWWjILJggc3M8ZCMzbcJyeI0Ti:BzW+DiC9iLo+GnH/75QZRWzgbVrITtype: PE32 executable (GUI) Intel 80386, for MS Windows, MS CAB-Installer self-extracting archive

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: Wextract FileVersion: 8.00.7600.16385 (win7_rtm.090713-1255)CompanyName: Micwosofwt CwooperashawnProductName: Windowsxae Internet ExplorerProductVersion: 8.00.7600.16385FileDescription: Wyndowz Updat OriginalFilename: WEXTRACT.EXE .MUITranslation: 0x0409 0x04b0

TrojanRansom.Petr also known as:

K7AntiVirus Trojan ( 004e19001 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.57150
Cynet Malicious (score: 99)
Cylance Unsafe
Zillya Adware.Generic.Win32.65888
Alibaba Ransom:Win32/Petya.a6f91b54
K7GW Trojan ( 004e19001 )
Cybereason malicious.1fd5a5
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Diskcoder.Petya.A
APEX Malicious
Avast MBR:Ransom-C [Trj]
Kaspersky Trojan-Ransom.Win32.Petr.aqv
NANO-Antivirus Trojan.Win32.Diskcoder.fhbqwx
Tencent Win32.Trojan.Petr.Htck
Sophos Generic PUA JE (PUA)
Comodo Malware@#3eje6125c5l5x
McAfee-GW-Edition BehavesLike.Win32.Ardurk.ch
FireEye Generic.mg.2b82f4dfcfbf40f4
SentinelOne Static AI – Suspicious SFX
Jiangmin AdWare.Generic.svgg
Avira TR/Dropper.Gen
Microsoft Ransom:Win32/Petya.A
AegisLab Trojan.Win32.Petr.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
McAfee Artemis!2B82F4DFCFBF
MAX malware (ai score=100)
VBA32 TrojanRansom.Petr
Malwarebytes Malware.Heuristic.1001
Panda Trj/CI.A
Rising Ransom.Petya!8.48D7 (CLOUD)
Yandex Trojan.Petr!4LisUKgEc2E
Ikarus Trojan-Downloader.Win32.Banload
Fortinet W32/Petya.A!tr.ransom
AVG MBR:Ransom-C [Trj]
Qihoo-360 Win32/Ransom.Generic.HwYDEpsA

How to remove TrojanRansom.Petr?

  • 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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