What is “Bulz.677121”?

The Bulz.677121 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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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.677121 virus can do?

The binary likely contains encrypted or compressed data.
Network activity detected but not expressed in API logs

How to determine Bulz.677121?


File Info:
crc32: CE9C41B4
md5: f3b613c87041ba6b36702f3e9526094a
name: F3B613C87041BA6B36702F3E9526094A.mlw
sha1: 2aebc68d17044d1c2a80a7294d46824b65566a73
sha256: 99b495e7c6df7f7bf887cd2d7f143e4103dfaf57990a0712bac7d33a2c6d6f0c
sha512: 27ffceb3153353bbe84e8e94ff060617036cdccca22c84b921733b465eea38ea7b458c242e142f163e522248883d808e9b3e367ec8d32596d273ad52cdea0a8a
ssdeep: 12288:QkRDmtiK5oBHPVE11StKK5L4UbWjO5J3uu4uGyWhxkk:Z+FoBHPG1xbYWjEuu4uGyWhOk
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2018
Assembly Version: 1.0.0.0
InternalName: cDisplayClass.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: ConsoleApp1
ProductVersion: 1.0.0.0
FileDescription: ConsoleApp1
OriginalFilename: cDisplayClass.exe

Bulz.677121 also known as:

Elastic	malicious (high confidence)
Cynet	Malicious (score: 100)
ALYac	Gen:Variant.Bulz.677121
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_70% (D)
Cybereason	malicious.d17044
Cyren	W32/MSIL_Kryptik.FPS.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/Kryptik.ACVZ
APEX	Malicious
Avast	Win32:RATX-gen [Trj]
Kaspersky	HEUR:Trojan-PSW.MSIL.Agensla.gen
BitDefender	Gen:Variant.Bulz.677121
MicroWorld-eScan	Gen:Variant.Bulz.677121
Ad-Aware	Gen:Variant.Bulz.677121
Sophos	ML/PE-A
BitDefenderTheta	Gen:NN.ZemsilCO.34170.Hm0@augvXYh
McAfee-GW-Edition	BehavesLike.Win32.Generic.hc
FireEye	Generic.mg.f3b613c87041ba6b
Emsisoft	Gen:Variant.Bulz.677121 (B)
SentinelOne	Static AI – Malicious PE
eGambit	Unsafe.AI_Score_97%
Microsoft	Trojan:MSIL/AgentTesla.CVB!MTB
Arcabit	Trojan.Bulz.DA5501
GData	Gen:Variant.Bulz.677121
AhnLab-V3	Trojan/Win.AgentTesla.C4641332
MAX	malware (ai score=81)
Malwarebytes	Malware.AI.2760679192
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.ACHL!tr
AVG	Win32:RATX-gen [Trj]

How to remove Bulz.677121?

Bulz.677121 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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