Categories: Malware

Bulz.337651 (B) (file analysis)

The Bulz.337651 (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 Bulz.337651 (B) virus can do?

  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Bulz.337651 (B)?


File Info:

crc32: 3F09FCE4md5: b74f2bea9afd06b04ebde75e0e6e3bb4name: B74F2BEA9AFD06B04EBDE75E0E6E3BB4.mlwsha1: 9e70092b3af8e9005d5f56f081ce8b7ae9673e30sha256: fa87af11573507327972da2c608e0a0dd32d3508dca139cd17aa0dd5b77ba58dsha512: 3feae396b7bb7716997001ce59f12a0e01adc82b9b7d35e0d0873080125d94991b84d19dc1ab24a6bb4674c01e79094e16cc8c566b3c5a3e231f0f332cde53edssdeep: 12288:nihrvHOZtihrvlRQYqgNEIrEkoNk7L6zSZpXAwSfxL/2Dc3jDLLmt0LDQewsAjRE:iZE8ZNPrRoNk7BZpwaewsAjutype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: Mozilla CorporationFileVersion: 43.0.1CompanyName: Mozilla CorporationProductName: Mozilla Webapp Runtime App UninstallerProductVersion: 43.0.1FileDescription: Mozilla Webapp Runtime App UninstallerOriginalFilename: webapp-uninstaller.exeTranslation: 0x0409 0x04e4

Bulz.337651 (B) also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Bulz
ALYac Gen:Variant.Bulz.337651
Cylance Unsafe
Sangfor Trojan.Win32.Wacatac.B
Alibaba Worm:Win32/Ransomware.0bd91df0
Cybereason malicious.a9afd0
Cyren W32/Pajetbin.A.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:VB-FBX
ClamAV Win.Worm.Pajetbin-6726648-0
BitDefender Gen:Variant.Bulz.337651
MicroWorld-eScan Gen:Variant.Bulz.337651
Ad-Aware Gen:Variant.Bulz.337651
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.AdwareAdload.dh
FireEye Gen:Variant.Bulz.337651
Emsisoft Gen:Variant.Bulz.337651 (B)
SentinelOne Static AI – Suspicious PE
Microsoft Trojan:Win32/Wacatac.B!ml
AegisLab Riskware.Win32.Bulz.1!c
GData Gen:Variant.Bulz.337651
McAfee RDN/Generic.dx
MAX malware (ai score=80)
Malwarebytes VB.Virus.FileInfector.DDS
TrendMicro-HouseCall TROJ_GEN.R002H06FD21
MaxSecure Trojan.Malware.121218.susgen
AVG Win32:VB-FBX
Paloalto generic.ml

How to remove Bulz.337651 (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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