Categories: Malware

Win32.Sivis.A4 removal instruction

The Win32.Sivis.A4 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 Win32.Sivis.A4 virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Win32.Sivis.A4?


File Info:

name: D86523236A148405339F.mlwpath: /opt/CAPEv2/storage/binaries/6a4a3a801cfcd22e1aa177bfb55bb816170de8acee275ed10b57465623ea78bacrc32: A33649E9md5: d86523236a148405339f55fad7386087sha1: b2a7c401bc68ee6165bbd24210c0ee2ed149d4easha256: 6a4a3a801cfcd22e1aa177bfb55bb816170de8acee275ed10b57465623ea78basha512: 19a9f33c7a22171927aa8057d98fae1407bf68dfd4b397c92bab255f10747bbbdd038cecf2fc7b611f2e346b2e0d7188195b604ebf5f6286a9ab64d703ee4e3bssdeep: 98304:ZY9YoOyLIlsX7KLUbYZfgs0QlxTZ86KIgFOm9eLQqQuSbeTPPrkt:K9YoOnfU64s1JGIDQursttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A6D66A51B791C7B1D35D02709D76A272D3347CAE0B3182BB71B9AE1E9E33AC31E25216sha3_384: 2a4ddb03aafb591db646cfaec68c40d32520b5e99500b212bdf2ab52318f41ae2a5db42a45cf8bb494a1f72b9ce73a11ep_bytes: e80060000073ebebebeb73237dabebf3timestamp: 2010-08-01 10:32:37

Version Info:

0: [No Data]

Win32.Sivis.A4 also known as:

Bkav W32.OverlayND.PE
tehtris Generic.Malware
MicroWorld-eScan Trojan.Agent.EXMP
CAT-QuickHeal Win32.Sivis.A4
ALYac Trojan.Agent.EXMP
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00517a0d1 )
K7GW Trojan ( 00517a0d1 )
Cybereason malicious.36a148
Cyren W32/Zbot.GH.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/Ausiv.A
APEX Malicious
ClamAV Win.Trojan.Agent-6943819-1
Kaspersky Packed.Win32.Krap.jc
BitDefender Trojan.Agent.EXMP
NANO-Antivirus Trojan.Win32.Krap.espnuv
Avast Win32:Agent-BCFZ [Trj]
Tencent Trojan.Win32.Kryptik.fwwy
Ad-Aware Trojan.Agent.EXMP
Emsisoft Trojan.Agent.EXMP (B)
Comodo Virus.Win32.VirLock.GA@7lv9go
DrWeb Trojan.KillFiles.62112
Zillya Trojan.Krap.Win32.8947
TrendMicro Virus.Win32.SIVIS.B
McAfee-GW-Edition BehavesLike.Win32.Sytro.rh
FireEye Generic.mg.d86523236a148405
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
GData Win32.Virus.Ausiv.B
Jiangmin Packed.Krap.fyig
Avira TR/Crypt.XPACK.Gen
Arcabit Trojan.Agent.EXMP
ViRobot Trojan.Win32.Agent.Gen.C
ZoneAlarm Packed.Win32.Krap.jc
Microsoft Trojan:Win32/Ausiv
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R236179
McAfee Packed-SU!D86523236A14
MAX malware (ai score=84)
VBA32 Trojan.KillFiles
Malwarebytes Sivis.Virus.FileInfector.DDS
TrendMicro-HouseCall Virus.Win32.SIVIS.B
Rising Trojan.Kryptik!8.8 (TFE:dGZlOgXBnJE79D+K8w)
Yandex Trojan.GenAsa!8BX67dEhxck
Ikarus Packer.Win32.Krap
MaxSecure Packed.Krap.JC
Fortinet W32/Ausiv.A
BitDefenderTheta Gen:NN.ZexaF.34666.@tZ@aysGNRoi
AVG Win32:Agent-BCFZ [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32.Sivis.A4?

  • 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.
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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