Categories: Ransom

What is “Ransom:Win32/LockedFile.G!MSR”?

The Ransom:Win32/LockedFile.G!MSR 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/LockedFile.G!MSR virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • Drops a binary and executes it
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • Uses Windows utilities for basic functionality
  • 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
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/LockedFile.G!MSR?


File Info:

crc32: 6D2B6107md5: 88c66ce45f812349387271e05235d656name: 88C66CE45F812349387271E05235D656.mlwsha1: b9f2139683d06fcf06db30686e617fcfacfa04d5sha256: 690c50ba25d962f9a984c5e62418677890612bb947259cf83e042e0c1770c103sha512: 437577b42b1ed20150dceb9ef209387b2beb37a1e815a59b3c235c4aa106c00d6b3c39ade36436f7a76ac559280a9152cd4a64c4bfb17b54bdb11414c8a73783ssdeep: 12288:yVvSVgdwIIWRtc1Ef6jvsr+1GnovArJR5e3nR0cMPB2OqaqSmczO2:emyIWRtgUq1GCArJR5e3n6cMPBnqaBVtype: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/LockedFile.G!MSR also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00520f0e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.15084
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Matrix
Cylance Unsafe
Zillya Trojan.Generic.Win32.357647
Sangfor Ransom.Win32.LockedFile.G!MSR
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/LockedFile.6507948d
K7GW Trojan ( 00520f0e1 )
Cybereason malicious.45f812
Baidu Win32.Trojan.Ransom.d
Symantec Ransom.Matrix!g1
ESET-NOD32 a variant of Win32/Filecoder.LockedFile.D
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Matrix-6502602-0
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Generic.Ransom.Matrix.B40AED06
NANO-Antivirus Trojan.Win32.Matrix.eyzien
ViRobot Trojan.Win32.Metrix.932864
MicroWorld-eScan Generic.Ransom.Matrix.B40AED06
Tencent Malware.Win32.Gencirc.11492862
Ad-Aware Generic.Ransom.Matrix.B40AED06
Sophos Mal/Generic-R + Troj/Matrix-I
Comodo Malware@#1308bro8aov82
BitDefenderTheta AI:Packer.D678EC7521
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_MATRIX.THEAEAH
McAfee-GW-Edition BehavesLike.Win32.Infected.dh
FireEye Generic.mg.88c66ce45f812349
Emsisoft Generic.Ransom.Matrix.B40AED06 (B)
Jiangmin Trojan.Generic.chave
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1115040
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/LockedFile.G!MSR
Arcabit Generic.Ransom.Matrix.B40AED06
AegisLab Trojan.Win32.Generic.4!c
GData Win32.Trojan-Ransom.Matrix.A
AhnLab-V3 Trojan/Win32.Matrixran.R234829
McAfee Ransom-Matrix.a
MAX malware (ai score=98)
VBA32 TrojanRansom.Matrix
Malwarebytes Malware.AI.326768017
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_MATRIX.THEAEAH
Rising Ransom.Generic!8.E315 (CLOUD)
Yandex Trojan.GenAsa!ZMxpGOCUEoI
Ikarus Trojan-Ransom.Matrix
MaxSecure Trojan.Malware.10307848.susgen
Fortinet W32/Matrix.2FFD!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.793

How to remove Ransom:Win32/LockedFile.G!MSR?

  • 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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