Ransom Trojan

Trojan-Ransom.Win32.Blocker.lcjk removal instruction

Malware Removal

The Trojan-Ransom.Win32.Blocker.lcjk 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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Gridinsoft Anti-Malware

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.Win32.Blocker.lcjk virus can do?

  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Looks up the external IP address
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Collects information to fingerprint the system

Related domains:

icanhazip.com

How to determine Trojan-Ransom.Win32.Blocker.lcjk?


File Info:

crc32: C6A64E75
md5: 6b3c4a7d87402f9317f580115e33e35c
name: 6B3C4A7D87402F9317F580115E33E35C.mlw
sha1: d2c0ec90833842684a0cc961ae3a00e86a8af31c
sha256: 56ca502d510f858e05f5a4e55443e9b104e7971ad344f886d2da81bc0e6e5868
sha512: 1e0e630b1e7cf8d73c28f3533825c4bfdf524b0b0ebf4e0c9a6b7245ee599ff44a405874b85e339c98b100e41f3a78495c51771834025ff5a5763b99ecbb6fbf
ssdeep: 24576:eq5TfcdHj4fmb5B7rQsRdHYY9onW2xzrQsRdHYY9okKWWrQsRdHYY9okeWXc:eUTsam9FUsbHToW2VUsbHTokNWUsbHT
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: xa9 2003 - 2015 Microsoft Corporation
FileVersion: 7.12.23.95
Comments: Skype
FileDescription: Skype Technologies S.A.
Translation: 0x0809 0x04b0

Trojan-Ransom.Win32.Blocker.lcjk also known as:

BkavW32.AIDetect.malware1
K7AntiVirusSpyware ( 004d8c0a1 )
Elasticmalicious (high confidence)
DrWebTrojan.DownLoad4.11093
CynetMalicious (score: 100)
ALYacAIT:Trojan.Nymeria.402
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaRansom:Win32/Blocker.3892f1d8
K7GWSpyware ( 004d8c0a1 )
Cybereasonmalicious.d87402
BaiduMulti.Threats.InArchive
CyrenW32/AutoIt.TA.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32multiple detections
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Malware.Autoit-6961072-0
KasperskyTrojan-Ransom.Win32.Blocker.lcjk
BitDefenderAIT:Trojan.GenericTKA.26
NANO-AntivirusTrojan.Win32.AutoIt.ffkjhm
MicroWorld-eScanAIT:Trojan.GenericTKA.26
TencentMalware.Win32.Gencirc.10b79e80
Ad-AwareAIT:Trojan.GenericTKA.26
SophosMal/Generic-S
ComodoMalware@#2zzf90e6jrbkl
BitDefenderThetaAI:Packer.DBCB5E9518
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.tc
FireEyeGeneric.mg.6b3c4a7d87402f93
EmsisoftAIT:Trojan.GenericTKA.26 (B)
AviraTR/Spy.Autoit.qzqid
eGambitUnsafe.AI_Score_97%
Antiy-AVLTrojan/Generic.ASCommon.168
MicrosoftTrojan:Win32/Occamy.C
ArcabitAIT:Trojan.GenericTKA.26
AegisLabTrojan.Win32.Generic.4!c
GDataAIT:Trojan.Nymeria.402 (5x)
AhnLab-V3Malware/Win32.Generic.C1253453
McAfeeArtemis!6B3C4A7D8740
MAXmalware (ai score=99)
MalwarebytesMalware.AI.1013873878
PandaTrj/CI.A
RisingSpyware.AutoLOG/Autoit!1.C9CE (CLASSIC)
IkarusDropper.AutoIt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/AutoIt.CB!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Trojan-Ransom.Win32.Blocker.lcjk?

Trojan-Ransom.Win32.Blocker.lcjk 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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