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: 3F09FCE4
md5: b74f2bea9afd06b04ebde75e0e6e3bb4
name: B74F2BEA9AFD06B04EBDE75E0E6E3BB4.mlw
sha1: 9e70092b3af8e9005d5f56f081ce8b7ae9673e30
sha256: fa87af11573507327972da2c608e0a0dd32d3508dca139cd17aa0dd5b77ba58d
sha512: 3feae396b7bb7716997001ce59f12a0e01adc82b9b7d35e0d0873080125d94991b84d19dc1ab24a6bb4674c01e79094e16cc8c566b3c5a3e231f0f332cde53ed
ssdeep: 12288:nihrvHOZtihrvlRQYqgNEIrEkoNk7L6zSZpXAwSfxL/2Dc3jDLLmt0LDQewsAjRE:iZE8ZNPrRoNk7BZpwaewsAju
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:
LegalCopyright: Mozilla Corporation
FileVersion: 43.0.1
CompanyName: Mozilla Corporation
ProductName: Mozilla Webapp Runtime App Uninstaller
ProductVersion: 43.0.1
FileDescription: Mozilla Webapp Runtime App Uninstaller
OriginalFilename: webapp-uninstaller.exe
Translation: 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)?

Bulz.337651 (B) 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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