Sirefef.834 (B) removal

The Sirefef.834 (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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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 Sirefef.834 (B) virus can do?

Behavioural detection: Executable code extraction – unpacking
Unconventionial language used in binary resources: Spanish (Modern)
Authenticode signature is invalid
Anomalous binary characteristics

How to determine Sirefef.834 (B)?


File Info:
name: 394DBD69D2370CB4255E.mlw
path: /opt/CAPEv2/storage/binaries/cfebb01c2aa14d2de6a7668b5ef031401891d3e21665517797ac5a8fac846bd7
crc32: 10B25048
md5: 394dbd69d2370cb4255e5746c938b03d
sha1: 5b67f525e4185ba59c69fba46975f40a1dc39057
sha256: cfebb01c2aa14d2de6a7668b5ef031401891d3e21665517797ac5a8fac846bd7
sha512: aa23b9f1658f692759aaf7fd3275311e9bd7ff166a2361c18d387f910c42d69284966ef6fd1ef07da48b787dfceceff56f272b7b4794b269323bad257c276493
ssdeep: 192:T3Md0wqH5lo1x5miy1+X2GRrfb2I0Z/6Mm:DMGnaqz8XnRrzw/6Mm
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BF92C717F7A49466F1A34B720DB3CBB51123BC769E628B073598372E2C70D508E66713
sha3_384: 32447965017f6d52c13fc136c6c6c443314d18a67319ff297dc102314273be0b878d03d16945a33fe59368bbecc51b23
ep_bytes: 68f0144000e85ddaffffe9eddaffff00
timestamp: 2009-01-30 17:21:05

Version Info:
CompanyName: 3asfh.net
ProductName: 3asfh.net
FileVersion: 1.04
ProductVersion: 1.04
InternalName: Crypter 3asfh.net
OriginalFilename: Crypter by HaCaR MaN.exe
Translation: 0x0c0a 0x04b0

Sirefef.834 (B) also known as:

MicroWorld-eScan	Gen:Variant.Sirefef.834
FireEye	Generic.mg.394dbd69d2370cb4
Skyhigh	BehavesLike.Win32.Trojan.mz
McAfee	Artemis!394DBD69D237
Arcabit	Trojan.Sirefef.834
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
Cynet	Malicious (score: 100)
APEX	Malicious
BitDefender	Gen:Variant.Sirefef.834
Avast	Win32:MalwareX-gen [Trj]
Emsisoft	Gen:Variant.Sirefef.834 (B)
F-Secure	Trojan.TR/Crypt.XPACK.Gen
VIPRE	Gen:Variant.Sirefef.834
Ikarus	Trojan-Dropper.Win32.VB
Varist	W32/VBTrojan.17!Generic
Avira	TR/Crypt.XPACK.Gen
Kingsoft	malware.kb.a.999
Microsoft	Trojan:Win32/Wacatac.B!ml
GData	Gen:Variant.Sirefef.834
Google	Detected
VBA32	Malware-Cryptor.VB.gen.2
ALYac	Gen:Variant.Sirefef.834
MAX	malware (ai score=80)
Cylance	unsafe
Panda	Trj/CI.A
TrendMicro-HouseCall	TROJ_GEN.R03BH0CAP24
Yandex	Trojan.GenAsa!OtJTAxNOZ3Y
SentinelOne	Static AI – Suspicious PE
BitDefenderTheta	AI:Packer.DB1391BA1E
AVG	Win32:MalwareX-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (D)

How to remove Sirefef.834 (B)?

Sirefef.834 (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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