Categories: Malware

Bulz.342121 removal

The Bulz.342121 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 Bulz.342121 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Created a process from a suspicious location
  • Creates known Njrat/Bladabindi RAT registry keys

How to determine Bulz.342121?


File Info:

name: 843C7F315F6CEC79FF30.mlwpath: /opt/CAPEv2/storage/binaries/bd20baebfea5aba7aa15d305894c444721eb2b94ee092fbf4ec60b82d6f9fd21crc32: 0AC85608md5: 843c7f315f6cec79ff30cde04e2e5362sha1: 7455fa600039d105fb7529478a62850788e7269asha256: bd20baebfea5aba7aa15d305894c444721eb2b94ee092fbf4ec60b82d6f9fd21sha512: 257c821429204fbaffc78d58279c23848bfbfda38e9e0a78bb58b25fee90fbedb8f92ca6bf84b025364d694e360ddff08564202351d3d7d1a69543629912b295ssdeep: 12288:TyI0dPWMso3UXdsOtDCJheNq5WBJKl/m0klD9gOda6Khw:+I0hSOO4heNqDl/vklDeOjKhwtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10DE45C2372498A43E13A6372C1EBB01453F29C539737E94EBE5831E86A733879F5B509sha3_384: 6f1d3e6392db0ecfd6690459333ad18b2bdb5a120ce08b4d370df94305e1b2b75462acce80f1fa13bf51dfb20334922fep_bytes: ff250020400000000000000000000000timestamp: 2022-02-05 13:06:49

Version Info:

Translation: 0x0000 0x04b0FileDescription: Microsoft.TLDotFileVersion: 3.0.1.0InternalName: Microsoft.TLDot.exeLegalCopyright: Copyright © 2022OriginalFilename: Microsoft.TLDot.exeProductName: Microsoft.TLDotProductVersion: 3.0.1.0Assembly Version: 3.0.1.0

Bulz.342121 also known as:

Lionic Trojan.MSIL.Bladabindi.m!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Bulz.342121
FireEye Generic.mg.843c7f315f6cec79
ALYac Gen:Variant.Bulz.342121
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
BitDefender Gen:Variant.Bulz.342121
Cybereason malicious.15f6ce
BitDefenderTheta Gen:NN.ZemsilF.34212.Rm0@a8Qz2Bp
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TROJ_GEN.R002H0CB822
Paloalto generic.ml
Kaspersky HEUR:Backdoor.MSIL.Bladabindi.gen
Alibaba Backdoor:MSIL/Bladabindi.1aa26b74
Tencent Msil.Backdoor.Bladabindi.Dygi
Ad-Aware Gen:Variant.Bulz.342121
Emsisoft Gen:Variant.Bulz.342121 (B)
SentinelOne Static AI – Malicious PE
Sophos Generic ML PUA (PUA)
APEX Malicious
Avira TR/Dropper.MSIL.Gen
Gridinsoft Ransom.Win32.Bladabindi.sa
ZoneAlarm HEUR:Backdoor.MSIL.Bladabindi.gen
GData Gen:Variant.Bulz.342121
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.RL_Bladabindi.C4275406
Malwarebytes Malware.AI.659552481
Rising Trojan.Generic/MSIL@AI.92 (RDM.MSIL:H7byEWLvUk5xpQzelkgyWg)
MAX malware (ai score=89)
MaxSecure Trojan.Malware.300983.susgen
Fortinet PossibleThreat
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_60% (W)

How to remove Bulz.342121?

  • 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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