Categories: Ransom

Ransom:Win32/Korasom.A removal guide

The Ransom:Win32/Korasom.A 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:Win32/Korasom.A virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • The binary likely contains encrypted or compressed data.
  • Detects Sandboxie through the presence of a library
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Attempts to create or modify system certificates
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system

How to determine Ransom:Win32/Korasom.A?


File Info:

crc32: D899CF82md5: c2300aac0f22062b057df333b063d253name: C2300AAC0F22062B057DF333B063D253.mlwsha1: 1c1d96dcd6d96b25c69412952b859d9b8c0f39a2sha256: a1f4b808d214c5079837c608757a09972c5353fedbdf68b72d39fc8bf76cc4a4sha512: 1ccfe0853468cafc99aafac2f4f82ea9c5683dfc97f131178007072e732bad77c6964b74bb0c5410d31e8e38f07110866449da745811c64061e30a999435e6c2ssdeep: 12288:9I2QmOMcSO7yLN+6jEw9z+yI8yHjV7uikFg:9d7OMcN7yLNbj3Z+LDlubgtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Korasom.A also known as:

K7AntiVirus Trojan ( 00510e4a1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader25.3535
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Karo
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.63277
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/TorJok.ba17be30
K7GW Trojan ( 00510e4a1 )
Cybereason malicious.c0f220
Cyren W32/Trojan.COZ.gen!Eldorado
Symantec Ransom.Karo
ESET-NOD32 a variant of MSIL/Filecoder.IH
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Karo-6331638-1
Kaspersky Trojan.Win32.TorJok.g
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.TorJok.eqlfxd
ViRobot Trojan.Win32.S.Karo.720384.A
SUPERAntiSpyware Ransom.Karo/Variant
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
Tencent Win32.Trojan.Torjok.Svgq
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Sophos Mal/Generic-R + Mal/Karo-A
BitDefenderTheta Gen:NN.ZemsilF.34628.Rm0@a0V@Gdo
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_KARO.A
McAfee-GW-Edition BehavesLike.Win32.Generic.bc
FireEye Gen:Heur.MSIL.Bladabindi.1
Emsisoft Trojan-Ransom.Karo (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.TorJok.m
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1123483
eGambit Trojan.Generic
Antiy-AVL Trojan/Win32.TorJok
Kingsoft Win32.Troj.GenericKD.v.(kcloud)
Microsoft Ransom:Win32/Korasom.A
Arcabit Trojan.MSIL.Bladabindi.1
AegisLab Trojan.Win32.TorJok.4!c
GData Gen:Heur.MSIL.Bladabindi.1
AhnLab-V3 Trojan/Win32.TorJok.C2029865
McAfee Trojan-FNHF!C2300AAC0F22
MAX malware (ai score=100)
VBA32 Trojan.TorJok
Malwarebytes Ransom.Karo
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_KARO.A
Rising Trojan.Filecoder!8.68 (CLOUD)
Ikarus Trojan.MSIL.Filecoder
Fortinet MSIL/Filecoder.IH!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwMAaAIA

How to remove Ransom:Win32/Korasom.A?

  • 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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