Categories: Malware

How to remove “Bulz.926531”?

The Bulz.926531 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 Bulz.926531 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • 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
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Creates known Njrat/Bladabindi RAT registry keys
  • Collects information to fingerprint the system

How to determine Bulz.926531?


File Info:

name: 35B691763ACCCBF50507.mlwpath: /opt/CAPEv2/storage/binaries/cda18b3d5c07088c531075271c4321bfed9be061f2bb06dc419ab004f7a9f6adcrc32: 34608099md5: 35b691763acccbf50507101883c39b84sha1: 7bf896cc9033f7d416c42b12a4f923c30b4cb8b7sha256: cda18b3d5c07088c531075271c4321bfed9be061f2bb06dc419ab004f7a9f6adsha512: a82d2e064eac151d11e99ae2570c630d68781b2c9d01dc9706624cf603b89ea81f2dbab2ee7f029a1f2c04271071884d9e03083a2261e4e03491ae4c6e4cffd2ssdeep: 24576:c4lavt0LkLL9IMixoEgeaW3LWsHM+cl/djyZ2v8lcKpq9MmCS:rkwkn9IMHeaW3CEM+XdaPCStype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AC45D01373DD83A1C3725133BA65BB02AEBB7C2905B1F59B2FD9093DE920161521EA73sha3_384: 84e32e35bc82501cd5fdaab45a7176469c2a2cef25d30e167e8a6dce27ae9e5c27486e1921b2c7292c1a676d9450f02eep_bytes: e897cf0000e97ffeffffcccccccccccctimestamp: 2014-10-14 17:18:20

Version Info:

Translation: 0x0809 0x04b0

Bulz.926531 also known as:

Bkav W32.AIDetect.malware1
Lionic Adware.Win32.Amonetize.2!c
MicroWorld-eScan Gen:Variant.Bulz.926531
FireEye Generic.mg.35b691763acccbf5
CAT-QuickHeal Trojan.Neop.G5
Cylance Unsafe
K7AntiVirus Trojan ( 000001021 )
Alibaba AdWare:Win32/Amonetize.7ef16f37
K7GW Trojan ( 000001021 )
CrowdStrike win/malicious_confidence_90% (W)
Cyren W32/Agent.AFI.gen!Eldorado
Symantec Trojan.Gen
ESET-NOD32 multiple detections
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Bladbindi-1
Kaspersky not-a-virus:AdWare.Win32.Amonetize.olg
BitDefender Gen:Variant.Bulz.926531
NANO-Antivirus Trojan.Win32.Kryptik.dgrloq
Avast Win32:Malware-gen
Tencent Win32.Trojan.Generic.Lkxq
Sophos Troj/MSIL-AUT
Comodo Malware@#satg2713za3u
DrWeb Trojan.Inject1.63273
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_SPNR.38JJ14
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Emsisoft Gen:Variant.Bulz.926531 (B)
Webroot W32.Malware.Heur
Avira HEUR/AGEN.1207743
Antiy-AVL Trojan/Generic.ASMalwS.C6DE08
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi
ZoneAlarm HEUR:Trojan.Script.Generic
GData Gen:Trojan.Brresmon.Gen.1 (2x)
Cynet Malicious (score: 99)
AhnLab-V3 Malware/Win32.Generic.R115194
McAfee Artemis!35B691763ACC
MAX malware (ai score=87)
VBA32 Adware.Amonetize
TrendMicro-HouseCall TROJ_SPNR.38JJ14
Ikarus Trojan.MSIL.Zapchast
Fortinet W32/Auto.QE!tr
BitDefenderTheta Gen:NN.ZemsilF.34182.em0@ae2v!tk
AVG Win32:Malware-gen
Cybereason malicious.63accc
Panda Trj/Autoit.gen
MaxSecure Trojan.Malware.300983.susgen

How to remove Bulz.926531?

  • 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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