Trojan

Trojan:Win32/Sirefef.BB information

Malware Removal

The Trojan:Win32/Sirefef.BB 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 Trojan:Win32/Sirefef.BB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Trojan:Win32/Sirefef.BB?


File Info:

name: A17F5608EF580F34DA43.mlw
path: /opt/CAPEv2/storage/binaries/a64dc546a9b7b9b9feef636fcde3558981ceff8d25b5323959f6bb96c7921c97
crc32: 545B91BB
md5: a17f5608ef580f34da4340b608fc0273
sha1: 96f3a7e279bb9bc4a78966f9a04d5604da9d4757
sha256: a64dc546a9b7b9b9feef636fcde3558981ceff8d25b5323959f6bb96c7921c97
sha512: 58f4693e9b611f5a32c672bb871943049ea6d1e4de208ce4f2c914c56d355d671e1b7546fe87ad2f80ef1f3531f39fb245dece59c27af6df4e1624cf06511bd4
ssdeep: 1536:0songUqpmVH3Y9D/Uhy1jjxa6jKTvFPhwMl0aCdwAzgPVXvcxkce:0Ap83Y9D/Uhy1j1a6jKDxNOdpg9BB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10F63E1AEB021A1CBDA0D2B77DD1508890DB1E01D046BC77DEEC59D0AA18F798FC1D3A6
sha3_384: 0966e62e7d687acdb880051319cc6815616981283f8312eb80cf02a97813363becc062cd21269675234668f22935c729
ep_bytes: 558bec81ec0c0200006a00ff15c8a040
timestamp: 2005-09-18 15:11:28

Version Info:

0: [No Data]

Trojan:Win32/Sirefef.BB also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.FakeAV.lkbT
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Sirefef.2486
FireEyeGeneric.mg.a17f5608ef580f34
CAT-QuickHealTrojan.Sirefef.A
SkyhighBehavesLike.Win32.Generic.kc
McAfeePacksu
Cylanceunsafe
VIPREGen:Variant.Sirefef.2486
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Kryptik.616b3698
K7GWTrojan ( 0026d08e1 )
K7AntiVirusTrojan ( 0026d08e1 )
VirITTrojan.Win32.Cryptic.BUK
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.JJM
APEXMalicious
TrendMicro-HouseCallBKDR_CYCBOT.SMIB
ClamAVWin.Trojan.Fakeav-2763
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Sirefef.2486
NANO-AntivirusTrojan.Win32.MLW.daifi
SUPERAntiSpywareTrojan.Agent/Gen-ZPack
AvastWin32:MalOb-IF [Cryp]
TencentMalware.Win32.Gencirc.10b66aa7
SophosMal/FakeAV-IS
GoogleDetected
F-SecureTrojan.TR/Crypt.XPACK.Gen
DrWebTrojan.Packed.2150
ZillyaTrojan.FakeAV.Win32.90795
TrendMicroBKDR_CYCBOT.SMIB
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.Sirefef.2486 (B)
IkarusTrojan.Win32.FakeAV
JiangminTrojan/Generic.fwnf
VaristW32/Sirefef.C.gen!Eldorado
AviraTR/Crypt.XPACK.Gen
Antiy-AVLTrojan[Ransom]/Win32.Digitala
KingsoftWin32.Trojan.Generic.a
MicrosoftTrojan:Win32/Sirefef.BB
XcitiumMalware@#3gmf6zhrsu157
ArcabitTrojan.Sirefef.D9B6
ViRobotTrojan.Win.Z.Sirefef.70144.E
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Sirefef.2486
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.FakeAV.R6698
BitDefenderThetaGen:NN.ZexaF.36802.eqW@aK3fBYoi
ALYacGen:Variant.Sirefef.2486
MAXmalware (ai score=100)
VBA32BScope.Trojan.Downloader
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/Genetic.gen
RisingTrojan.Win32.Sirefef.d (CLASSIC)
YandexTrojan.GenAsa!whlETvhjeA4
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.2588.susgen
FortinetW32/FakeAV.AFLT!tr
AVGWin32:MalOb-IF [Cryp]
Cybereasonmalicious.8ef580
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Sirefef

How to remove Trojan:Win32/Sirefef.BB?

Trojan:Win32/Sirefef.BB 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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