About “Bulz.535425” infection

The Bulz.535425 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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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.535425 virus can do?

Presents an Authenticode digital signature
The binary likely contains encrypted or compressed data.
Network activity detected but not expressed in API logs

How to determine Bulz.535425?


File Info:
crc32: 550B7661
md5: 615b2c5305f7dfcfc9388c3ceffe9b04
name: 615B2C5305F7DFCFC9388C3CEFFE9B04.mlw
sha1: 2b3451cf532027f897e5b37e5f8656e980b92631
sha256: 3fef52a5448b6040204fcca96759e4665f4e5b54a12b31bd3a2678285ebc0fe1
sha512: c8e3786c10b2f90beb1478b789a38b0c4277894f77b16261306050377f40af7608ecff9f82dccc7f2d627121bd5af35f018146319b89d41e806a9fa9a7e96e31
ssdeep: 12288:Iu8xZVPwwm72dxTTgnkRdSrSBcQFAeMTeFeYnghAHM:Iu8xZ5wR72dxTcagrSFFBOeFebUM
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyleft 1998-2017 by Don HO
Assembly Version: 8.1.0.0
InternalName: nnpeire.exe
FileVersion: 8.1.0.0
CompanyName: Don HO don.h@free.fr
LegalTrademarks: 
Comments: Notepad++ : a free (GNU) source code editor
ProductName: Notepad++
ProductVersion: 8.1.0.0
FileDescription: Notepad++ : a free (GNU) source code editor
OriginalFilename: nnpeire.exe

Bulz.535425 also known as:

K7AntiVirus	Trojan ( 005748241 )
Cynet	Malicious (score: 100)
ALYac	Gen:Variant.Bulz.535425
Cylance	Unsafe
Sangfor	Backdoor.MSIL.NanoBot.gen
CrowdStrike	win/malicious_confidence_100% (W)
Alibaba	Backdoor:MSIL/NanoBot.bcfe3930
K7GW	Trojan ( 005748241 )
Cybereason	malicious.f53202
Cyren	W32/MSIL_Kryptik.CWI.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.ABPD
APEX	Malicious
Avast	Win32:CrypterX-gen [Trj]
Kaspersky	HEUR:Backdoor.MSIL.NanoBot.gen
BitDefender	Gen:Variant.Bulz.535425
MicroWorld-eScan	Gen:Variant.Bulz.535425
Tencent	Msil.Backdoor.Nanobot.Wlzf
Ad-Aware	Gen:Variant.Bulz.535425
Sophos	Mal/Generic-S
VIPRE	Trojan.Win32.Generic.pak!cobra
TrendMicro	TROJ_GEN.R002C0PG121
McAfee-GW-Edition	PWS-FCZZ!615B2C5305F7
FireEye	Generic.mg.615b2c5305f7dfcf
Emsisoft	Gen:Variant.Bulz.535425 (B)
SentinelOne	Static AI – Malicious PE
Avira	TR/Kryptik.zirzo
eGambit	PE.Heur.InvalidSig
Microsoft	Trojan:Win32/AgentTesla!ml
AegisLab	Trojan.MSIL.NanoBot.m!c
ZoneAlarm	HEUR:Backdoor.MSIL.NanoBot.gen
GData	Gen:Variant.Bulz.535425
AhnLab-V3	Trojan/Win.Generic.C4537372
McAfee	PWS-FCZZ!615B2C5305F7
MAX	malware (ai score=84)
Malwarebytes	Backdoor.NanoCore
Panda	Trj/GdSda.A
TrendMicro-HouseCall	TROJ_GEN.R002C0PG121
Ikarus	Trojan.Inject
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.ABRJ!tr
AVG	Win32:CrypterX-gen [Trj]
Paloalto	generic.ml
Qihoo-360	Win32/Trojan.Kryptik.HgIASXkA

How to remove Bulz.535425?

Bulz.535425 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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