Categories: Malware

About “Bulz.43669” infection

The Bulz.43669 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.43669 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
  • NtSetInformationThread: attempt to hide thread from debugger
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • Unconventionial binary language: Polish
  • Unconventionial language used in binary resources: Polish
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Bulz.43669?


File Info:

name: F3A7010F300BA8426C75.mlwpath: /opt/CAPEv2/storage/binaries/30865d15d97565f46bd25e23e47c752f625906867122b632e5bbfd750bad6980crc32: 87564685md5: f3a7010f300ba8426c75068910afab80sha1: d5b5b892c561f8b884df6965193327bfbfad0243sha256: 30865d15d97565f46bd25e23e47c752f625906867122b632e5bbfd750bad6980sha512: e3250b149a5c60b30a37a70292dad380370e72e463c733311dae750737c29a04811eb63dd47d471036ed9e048fb0f89a65fbc0d13cff57854d42c50a32f09773ssdeep: 3072:lvDf3TQcHU7a0OAes+4+uoNd8AAoHLJW/07L3/Pq5ECeOFp5:VfjQEIZOr4+uoNW7HI4heOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E4F3AE1037E0E0B2D0A219346AF1E6B10E7EBD710679914B63E85B796F70ADC9F3531Asha3_384: 4585a5f99bbf1b36f4139777d30dc861fa2d6232617fbcc29a2300fb58b56af68e59187d061f021920b9b9741468f392ep_bytes: e8a6560000e989feffff8bff558bec83timestamp: 2013-05-24 22:39:43

Version Info:

CompanyName: PixelByte Software LTDFileDescription: Demand UI Manager Control ProgramFileVersion: 5.4.2.2InternalName: demuimgrLegalCopyright: Copyright (C) 2008-2013 - PixelByte Software LTDOriginalFilename: demuimgrProductName: Demand UI Manager Control ProgramProductVersion: 5.4.2.2Translation: 0x0415 0x04b0

Bulz.43669 also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Zbot.4!c
Cynet Malicious (score: 100)
FireEye Generic.mg.f3a7010f300ba842
ALYac Gen:Variant.Bulz.43669
Cylance Unsafe
VIPRE Trojan.Win32.Reveton.a (v)
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
Alibaba TrojanSpy:Win32/Urausy.a5b3a12a
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.Generic.ACSW
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.BBYB
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Spy.Win32.Zbot.wwvs
BitDefender Gen:Variant.Bulz.43669
NANO-Antivirus Trojan.Win32.RiskGen.bsbaym
MicroWorld-eScan Gen:Variant.Bulz.43669
Avast Win32:Urausy-AE [Trj]
Tencent Win32.Trojan-spy.Zbot.Eddn
Ad-Aware Gen:Variant.Bulz.43669
Emsisoft Gen:Variant.Bulz.43669 (B)
Comodo Malware@#lpbliqc5qsv0
DrWeb Trojan.PWS.Panda.4389
Zillya Trojan.Kryptik.Win32.917627
TrendMicro TROJ_SPNR.14FD13
McAfee-GW-Edition Ransom-FCDW!F3A7010F300B
Sophos Mal/Generic-R + Mal/EncPk-AKK
SentinelOne Static AI – Suspicious PE
GData Gen:Variant.Bulz.43669
Jiangmin Trojan/Foreign.ghf
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1224299
MAX malware (ai score=100)
Antiy-AVL Trojan[Ransom]/Win32.Foreign
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.Bulz.DAA95
SUPERAntiSpyware Trojan.Agent/Gen-Graftor
ZoneAlarm Trojan-Spy.Win32.Zbot.wwvs
Microsoft Ransom:Win32/Urausy.C
Acronis suspicious
McAfee Ransom-FCDW!F3A7010F300B
VBA32 Hoax.Foreign
Malwarebytes Generic.Malware/Suspicious
TrendMicro-HouseCall TROJ_SPNR.14FD13
Rising Spyware.Zbot!8.16B (CLOUD)
Yandex Trojan.Foreign!DNdlym87h7I
Ikarus Trojan-Ransom.Foreign
eGambit Generic.Malware
Fortinet W32/Foreign.CTBV!tr
BitDefenderTheta Gen:NN.ZexaF.34212.ku0@aaY6LqnO
AVG Win32:Urausy-AE [Trj]
Cybereason malicious.f300ba
Panda Trj/Dtcontx.E

How to remove Bulz.43669?

  • 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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