Categories: Ransom

How to remove “Ransom:Win32/Gandcrab.G!rfn”?

The Ransom:Win32/Gandcrab.G!rfn 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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What Ransom:Win32/Gandcrab.G!rfn virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/Gandcrab.G!rfn?


File Info:

crc32: F9AF7119md5: 6ec57cc3a371cedc25968bfcb9fb55edname: 6EC57CC3A371CEDC25968BFCB9FB55ED.mlwsha1: 059f8cd2be84b8ed91f9e5638caba2e9695c2134sha256: d64e00b082d3c834b668c6af577300cbe2a16f93a7291c1f993a65a949b63ed9sha512: 347ed22a0ed4f03965c4462b40ac91400aecbbb2eaf54bda7c89c77d0edb6671c4bb86cf9c227ab98b6871b9a329fdeeb2da97bdc9db5314b51d3d9a58f84b23ssdeep: 3072:9VwLp37ZXRRB0jy7CQS7uOCiijPYuOjH+Tx+/UyfywqHQT55Su8tJNB6:DwLh7BRVCMFPYuO4vyfyweNu8tJNtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Gandcrab.G!rfn also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3953
ALYac Trojan.Ransom.Crysis
Cylance Unsafe
Zillya Trojan.Encoder.Win32.592
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Trojan:Win32/Kryptik.fa7e977f
K7GW Trojan ( 00516fdf1 )
K7AntiVirus Trojan ( 00516fdf1 )
Cyren W32/Kryptik.LZ.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GLKU
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Encoder.acj
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Encoder.fkqqaw
MicroWorld-eScan Trojan.Brsecmon.1
Tencent Win32.Trojan.Encoder.Wtnx
Ad-Aware Trojan.Brsecmon.1
Sophos ML/PE-A + Mal/GandCrab-G
Comodo Malware@#3rx7rjfyokqhu
BitDefenderTheta Gen:NN.ZexaF.34170.nuW@aevfATii
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.MultiPlug.dh
FireEye Generic.mg.6ec57cc3a371cedc
Emsisoft Trojan.Brsecmon.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Stealer.ei
Webroot W32.Adware.Installcore
Avira HEUR/AGEN.1102745
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.29B8D48
Microsoft Ransom:Win32/Gandcrab.G!rfn
Arcabit Trojan.Brsecmon.1
GData Trojan.Brsecmon.1
AhnLab-V3 Trojan/Win32.Agent.C2741886
McAfee Trojan-FPST!6EC57CC3A371
MAX malware (ai score=100)
VBA32 BScope.Trojan.Propagate
Malwarebytes Malware.AI.1248292264
Panda Trj/Genetic.gen
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Yandex Trojan.GenAsa!KfdxX7R+qb0
Ikarus Trojan.Win32.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GLKY!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom:Win32/Gandcrab.G!rfn?

  • 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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