Bulz.371521 removal tips

The Bulz.371521 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.371521 virus can do?

Creates RWX memory
Installs itself for autorun at Windows startup
Anomalous binary characteristics

How to determine Bulz.371521?


File Info:
crc32: DD69A38B
md5: 44f135acb3dc5162881fae1aca7622fa
name: 44F135ACB3DC5162881FAE1ACA7622FA.mlw
sha1: 06f3f01141e0a968642b25874f6d959a21888d87
sha256: 74b32fb9c90ed09ccd4f4eaf156c711a63d162b822a4d8f65be2ed6d4ec6f34d
sha512: 86939aaea9ad11a3d092ea0c38e7a3c827750596dc036bbc6c765d165bccae5d78b49262fb8154eed4c05b855b1ea305f536b9ffb83107c63dc654e20c64cecc
ssdeep: 384:TBlO01lcQ0L9A/cO5rL7I2W7Yc5t1MMl+Y:T+GX0OH7Ij15t6Ml1
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright Microsoftxa9  2018
Assembly Version: 1.0.0.0
InternalName: Windows32.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
LegalTrademarks: 
Comments: 
ProductName: Windows32
ProductVersion: 1.0.0.0
FileDescription: Windows32
OriginalFilename: Windows32.exe

Bulz.371521 also known as:

K7AntiVirus	Trojan ( 005318051 )
Cynet	Malicious (score: 85)
ALYac	Gen:Variant.Bulz.371521
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_60% (D)
K7GW	Trojan ( 005318051 )
Cybereason	malicious.cb3dc5
Cyren	W32/S-df4dae5e!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Small.FA
APEX	Malicious
Avast	Win32:Malware-gen
Kaspersky	Trojan-Ransom.Win32.Blocker.lajh
BitDefender	Gen:Variant.Bulz.371521
NANO-Antivirus	Trojan.Win32.Blocker.fceggt
MicroWorld-eScan	Gen:Variant.Bulz.371521
Tencent	Win32.Trojan.Blocker.Pezp
Ad-Aware	Gen:Variant.Bulz.371521
Sophos	Mal/Generic-S
Comodo	Malware@#37edvsnkiialn
BitDefenderTheta	Gen:NN.ZemsilF.34670.am0@aiXbTIg
McAfee-GW-Edition	GenericRXFK-UM!44F135ACB3DC
FireEye	Gen:Variant.Bulz.371521
Emsisoft	Gen:Variant.Bulz.371521 (B)
SentinelOne	Static AI – Malicious PE
Avira	TR/Dropper.MSIL.Gen
eGambit	Unsafe.AI_Score_90%
Microsoft	Trojan:Win32/Wacatac.B!ml
GData	Gen:Variant.Bulz.371521
McAfee	GenericRXFK-UM!44F135ACB3DC
MAX	malware (ai score=94)
Panda	Trj/GdSda.A
Rising	Trojan.Small!8.A9 (CLOUD)
Ikarus	Trojan.MSIL.Small
MaxSecure	Trojan.Malware.74127610.susgen
Fortinet	MSIL/Small.FA!tr
AVG	Win32:Malware-gen

How to remove Bulz.371521?

Bulz.371521 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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