Bulz.656251 removal guide

The Bulz.656251 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.

6-day free trial available.

What Bulz.656251 virus can do?

Creates RWX memory
Network activity detected but not expressed in API logs
Anomalous binary characteristics

How to determine Bulz.656251?


File Info:
crc32: AA880DCC
md5: 22f5634db77f57c67b8e288fce2ed913
name: 22F5634DB77F57C67B8E288FCE2ED913.mlw
sha1: 5f663db1290d7e991e5cd796aeec49b051656f79
sha256: 3da9a773dac459396fbc8c534c1c9dbb138946cf8af4c7b48bf92595324cf7af
sha512: 0f499720dc73038c0763fba241f6337708a4c487d2099c54927201dc31da5b059c71ef56c5b9001463051378eb16ac1a7345e1321fd70a32ca99b85f9af416c7
ssdeep: 96:WsJs0AMyjxHGZ99GsHLtD1TIoDkDbC7WSgjvMWwNzNt:f7ytGZ99XrLeC7WSgjvMWq
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
Assembly Version: 10.0.18362.1
InternalName: Host Process for Windows Services.exe
FileVersion: 1.0.18362.1
CompanyName: Microsoft Corporation
LegalTrademarks: xa9 Microsoft Corporation.
Comments: Host Process for Windows Services
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 1.0.18362.1
FileDescription: scvhost.Properties
OriginalFilename: Host Process for Windows Services.exe

Bulz.656251 also known as:

Cynet	Malicious (score: 99)
ALYac	Gen:Variant.Bulz.656251
CrowdStrike	win/malicious_confidence_90% (W)
Alibaba	Ransom:MSIL/Encoder.6ffc203e
ESET-NOD32	a variant of MSIL/Small.GG
APEX	Malicious
Avast	Win32:Malware-gen
Kaspersky	HEUR:Trojan-Ransom.MSIL.Encoder.gen
BitDefender	Gen:Variant.Bulz.656251
MicroWorld-eScan	Gen:Variant.Bulz.656251
Tencent	Msil.Trojan.Encoder.Hsiv
Ad-Aware	Gen:Variant.Bulz.656251
FireEye	Gen:Variant.Bulz.656251
Emsisoft	Gen:Variant.Bulz.656251 (B)
SentinelOne	Static AI – Suspicious PE
Avira	TR/FileCoder.rddnq
Arcabit	Trojan.Bulz.DA037B
GData	Gen:Variant.Bulz.656251
AhnLab-V3	Trojan/Win.Generic.C4616699
MAX	malware (ai score=86)
Panda	Trj/GdSda.A
MaxSecure	Trojan.Malware.73702460.susgen
Fortinet	W32/Encoder!tr
AVG	Win32:Malware-gen

How to remove Bulz.656251?

Bulz.656251 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.

Leave a Comment X