What is “Backdoor.Win32.Lotok.tmu”?

The Backdoor.Win32.Lotok.tmu 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 Backdoor.Win32.Lotok.tmu virus can do?

Sample contains Overlay data
HTTPS urls from behavior.
The binary likely contains encrypted or compressed data.
Authenticode signature is invalid
Attempts to modify proxy settings

How to determine Backdoor.Win32.Lotok.tmu?


File Info:
name: 44BF4CF6BD3FD68008AB.mlw
path: /opt/CAPEv2/storage/binaries/23645867e62f2588a691dce58e2a23538f2d32069e733610a5d65fbbfcf626b6
crc32: 1DFA517D
md5: 44bf4cf6bd3fd68008abbd4e28278786
sha1: 8f8093e7c787b1b9dcdfc6d915468ee56bf7bff8
sha256: 23645867e62f2588a691dce58e2a23538f2d32069e733610a5d65fbbfcf626b6
sha512: 796f83fd4c2ab8cceca3ec7d77d02b07eb9ebf253c231072ebced4d38ab3b59b79b361c8201923e53187a797207a2b7db712486dc3275c644f737429dd5c678c
ssdeep: 3072:/RnLy0wWmJB3zXBu0NLwbnqYAxOBxA40Ip9TdsxgEPCk/DL:/JM3jQ0NLSUOBRYxgACk/f
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F8C3F15935D0C06BE49701B056BB97BECE7FF386077010CB2BA04F9E6A116E75A19EC2
sha3_384: 27d7492dd4766a9fd63ede3196781ea8f23201ef175f10e4725395bf4f6b0ed97c8da3d81f9240a09516789ff9fcec9e
ep_bytes: 81ec8001000053555633db57895c2418
timestamp: 2007-12-24 21:02:32

Version Info:
CompanyName: 360安全中心
FileDescription: 360杀毒皮肤安装包
FileVersion: 1.0.0.1088
LegalCopyright: 版权所有(C) 2006-2009 360安全中心
LegalTrademarks: 360杀毒
ProductName: 360杀毒
ProductVersion: 1.0.0.1088
Translation: 0x0000 0x03a8

Backdoor.Win32.Lotok.tmu also known as:

Bkav	W32.AIDetectMalware
Elastic	malicious (high confidence)
Sangfor	Trojan.Win32.SilverFoxUnpack.swkceb
Alibaba	Backdoor:Win32/Lotok.bbbd91a3
APEX	Malicious
Kaspersky	Backdoor.Win32.Lotok.tmu
Avast	Win32:BackdoorX-gen [Trj]
Tencent	Trojan.Win32.Inject_yh.lf
DrWeb	Trojan.DownLoader46.48427
Trapmine	malicious.moderate.ml.score
FireEye	Generic.mg.44bf4cf6bd3fd680
Kingsoft	malware.kb.a.970
ZoneAlarm	Backdoor.Win32.Lotok.tmu
Cynet	Malicious (score: 100)
VBA32	Malware-Cryptor.General.3
Google	Detected
Cylance	unsafe
AVG	Win32:BackdoorX-gen [Trj]
CrowdStrike	win/grayware_confidence_60% (D)

How to remove Backdoor.Win32.Lotok.tmu?

Backdoor.Win32.Lotok.tmu 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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