Ransom Trojan

Trojan-Ransom.BAT.Winlock.a removal guide

Malware Removal

The Trojan-Ransom.BAT.Winlock.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 Trojan-Ransom.BAT.Winlock.a virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan-Ransom.BAT.Winlock.a?


File Info:

name: 020D441AC1EF2A0F4354.mlw
path: /opt/CAPEv2/storage/binaries/5043760ffc555292093abb529db92424bf3f4016cf13e3a674587d14301827ed
crc32: 5DEBE9E4
md5: 020d441ac1ef2a0f43546b53413ac0be
sha1: 015e2fd798f4137629ea3a7f18bfaa2e7552da7d
sha256: 5043760ffc555292093abb529db92424bf3f4016cf13e3a674587d14301827ed
sha512: 12cf548323d6a69a257c2477c25c4abb3ee96324eb4079dbb9805f09fa1597bacad396474de77ea4772d81671bf872ed99ccbe32f3448657976180e50196b355
ssdeep: 1536:bX7ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIfYwAvTO8:bLFfHgTWmCRkGbKGLeNTBfYpvv
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1DB937D45F2E242F7EAF2053201A6716FD736A2388724E8D7C74C2D429953AD1A73D3E9
sha3_384: 12354a18e6e4c8a65e59feba1a7ca99679e29e8e3f4fdba4c25e00247dae48425bc3567461484d6eadb7662024ccadcd
ep_bytes: 68ac00000068000000006868804100e8
timestamp: 2018-02-01 20:18:05

Version Info:

0: [No Data]

Trojan-Ransom.BAT.Winlock.a also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Trojan.RegistryDisabler.fuW@a4aaN@p
FireEyeGeneric.mg.020d441ac1ef2a0f
SangforTrojan.Win32.Save.a
K7GWTrojan ( 0046aeba1 )
Cybereasonmalicious.798f41
CyrenW32/SchoolBoy.B.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32BAT/Agent.NSA
Paloaltogeneric.ml
KasperskyTrojan-Ransom.BAT.Winlock.a
BitDefenderGen:Trojan.RegistryDisabler.fuW@a4aaN@p
RisingRansom.Winlock!8.139D (CLOUD)
SophosMal/Generic-R
TrendMicroTROJ_GEN.R002C0DB422
EmsisoftGen:Trojan.RegistryDisabler.fuW@a4aaN@p (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Trojan.RegistryDisabler.fuW@a4aaN@p
MAXmalware (ai score=88)
TrendMicro-HouseCallTROJ_GEN.R002C0DB422
TencentBat.Trojan.Winlock.Uf
TACHYONTrojan/W32.SchoolBoy.92160
MaxSecureTrojan.Malware.300983.susgen
FortinetBAT/Agent.NSA!tr

How to remove Trojan-Ransom.BAT.Winlock.a?

Trojan-Ransom.BAT.Winlock.a removal tool
  • 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.

About the author

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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