Sirefef.947 (B) malicious file

The Sirefef.947 (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 Sirefef.947 (B) virus can do?

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

How to determine Sirefef.947 (B)?


File Info:
crc32: D0B13B59
md5: 0e258f2b2b50c7e6e0faf403bb16d9ca
name: 0E258F2B2B50C7E6E0FAF403BB16D9CA.mlw
sha1: babf5761d4b5c9df6b03fa658092073dd40bc9bd
sha256: 06b1273115e0b70bf1d59bf30acf253636f693c13692b1b3e3ddc04ac4dcc2e3
sha512: 843572d23bc81f69051df763c8031f5a9b92a54b5e066621cdd5f2bbc0fd1c6a8fe26953245cbf7a9af8eaaea92573bd57fec847bc27d73a7b905868f4782fb3
ssdeep: 768:0UQEprLsTVLu6L1Yb8YpEELZQrOxN3sEgqosgnPSZ8i9nk+:0hExs5NLepD9jN8p2gi9n
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright:  
Assembly Version: 0.0.0.0
InternalName: at.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:  
OriginalFilename: at.exe

Sirefef.947 (B) also known as:

Elastic	malicious (high confidence)
DrWeb	Trojan.DownLoader27.18655
McAfee	GenericRXJI-HF!0E258F2B2B50
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
Alibaba	TrojanSpy:MSIL/Stealer.668a39c7
Cybereason	malicious.b2b50c
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/TrojanDropper.Agent.DMA
APEX	Malicious
Avast	Win32:RATX-gen [Trj]
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan-Spy.MSIL.Stealer.gen
BitDefender	Gen:Variant.Sirefef.947
MicroWorld-eScan	Gen:Variant.Sirefef.947
Ad-Aware	Gen:Variant.Sirefef.947
BitDefenderTheta	Gen:NN.ZemsilF.34686.cm0@aiyDToi
McAfee-GW-Edition	BehavesLike.Win32.Backdoor.nc
FireEye	Generic.mg.0e258f2b2b50c7e6
Emsisoft	Gen:Variant.Sirefef.947 (B)
SentinelOne	Static AI – Malicious PE
Avira	TR/Dropper.Gen
eGambit	Unsafe.AI_Score_99%
Microsoft	Trojan:Win32/Wacatac.B!ml
GData	Gen:Variant.Sirefef.947
AhnLab-V3	Trojan/Win32.Agent.C2576300
MAX	malware (ai score=89)
Malwarebytes	Trojan.Crypt.MSIL
Rising	Spyware.Stealer!8.3090 (CLOUD)
Ikarus	Trojan-Dropper.MSIL.Agent
Fortinet	MSIL/Agent.DOZ!tr
AVG	Win32:RATX-gen [Trj]
Paloalto	generic.ml

How to remove Sirefef.947 (B)?

Sirefef.947 (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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