Categories: Trojan

TrojanDropper:Win32/Lamechi.B removal

The TrojanDropper:Win32/Lamechi.B 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 TrojanDropper:Win32/Lamechi.B virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Sniffs keystrokes
  • Checks for the presence of known windows from debuggers and forensic tools
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine TrojanDropper:Win32/Lamechi.B?


File Info:

crc32: 3FA0AB5Bmd5: 746b20d80f17dbc9a8fb8a44b648d9a6name: 746B20D80F17DBC9A8FB8A44B648D9A6.mlwsha1: 2d4419796833fbbf827788744e38d245c8667cf6sha256: 08e12f6b9796ad1f47062ea86ec73c496028660f61a9917008cce9004fb1d48bsha512: 46ac3e89e4b0462f423bf7a1a115dab19a97e057b3d14dc23630e1719b4e880b849fda661f95d6da637b7ddaad49fcd20fd77ad3214b685de8cefd5c88e219e2ssdeep: 384:i6wayA+1mwnA353BXR+oGfP5d/ZBHXME+l93qPAqee/w6yJ/wWD+S83BXR+oGf2A:ipQNwC3BEddsEqOt/hyJF+x3BEJwRrstype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0ProductVersion: 1.00.0050InternalName: musicFileVersion: 1.00.0050OriginalFilename: music.exeProductName: Microsoft Windows

TrojanDropper:Win32/Lamechi.B also known as:

Bkav W32.FamVT.ViselPM.Worm
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.30855616
FireEye Generic.mg.746b20d80f17dbc9
CAT-QuickHeal Trojan.Rimod.AZ3
Qihoo-360 Worm.Win32.VB.B
ALYac Trojan.GenericKD.30855616
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Trojan.GenericKD.30855616
K7GW P2PWorm ( 004e46c61 )
K7AntiVirus Trojan ( 005640b91 )
TrendMicro TROJ_VILSEL.AI
Baidu Win32.Trojan.VB.h
Cyren W32/Vilsel.DJKY-0547
Symantec Trojan.Dropper
TotalDefense Win32/Vilsel.BV
APEX Malicious
Avast Win32:VB-AEMS [Trj]
ClamAV Win.Trojan.Vilsel-4621
Kaspersky Trojan.Win32.Vilsel.bpxe
NANO-Antivirus Trojan.Win32.Vilsel.cqkyek
ViRobot Trojan.Win32.A.Vilsel.73756.A
Ad-Aware Trojan.GenericKD.30855616
TACHYON Trojan/W32.Vilsel.73936
Emsisoft Trojan.GenericKD.30855616 (B)
Comodo TrojWare.Win32.Vilsel.ALY@4bdezk
F-Secure Trojan.TR/ATRAPS.Gen2
DrWeb Trojan.Siggen2.50583
Invincea ML/PE-A + Troj/VB-EUH
McAfee-GW-Edition BehavesLike.Win32.Vilsel.lt
Sophos Troj/VB-EUH
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Vilsel.xtz
Webroot W32.Rimod.Gen
Avira TR/ATRAPS.Gen2
Antiy-AVL Trojan/Win32.Vilsel
Microsoft TrojanDropper:Win32/Lamechi.B
Gridinsoft Trojan.Win32.Agent.sb!s1
Arcabit Trojan.Generic.D1D6D1C0
SUPERAntiSpyware Trojan.Agent/Gen-Vilsel
ZoneAlarm Trojan.Win32.Vilsel.bpxe
GData Win32.Trojan.Vilsel.A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Vilsel.R1968
Acronis suspicious
McAfee Generic VB.aaal
MAX malware (ai score=80)
VBA32 Trojan.Vilsel
Malwarebytes Worm.VBAgent
Panda Trj/Vilsel.AM
ESET-NOD32 a variant of Win32/VB.OZA
TrendMicro-HouseCall TROJ_VILSEL.AI
Rising Trojan.VB!1.BE89 (CLASSIC)
Yandex Trojan.GenAsa!fpIOh2aUKFk
Ikarus Trojan.Win32.Scar
eGambit Unsafe.AI_Score_75%
Fortinet W32/Agent.OZA!worm
BitDefenderTheta AI:Packer.0AFB10C121
AVG Win32:VB-AEMS [Trj]
Cybereason malicious.80f17d

How to remove TrojanDropper:Win32/Lamechi.B?

  • 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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