Categories: Malware

Win32.Gosys.A (file analysis)

The Win32.Gosys.A 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 Win32.Gosys.A virus can do?

  • Executable code extraction
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Win32.Gosys.A?


File Info:

crc32: 9C3B0048md5: 18f444cd79350ad60ca0aff8b866bc1dname: V5_managerAdmin.exesha1: 6a6d843618ec023b4671c19d620ce4b58f1e9e83sha256: 47bc4c0694ca8956d165f08099eec9791e41845da3d1a93ef169b5dddacac5c1sha512: 25b60866bed3cdc421217b693e851443ba68cbc93e4537877b0b6e7ede22ef4c970d7c19fd2b062c7a16820a15f91642872cb82ed58eaf9bd50319661b11fbe9ssdeep: 24576:U5xolYQY6gHEq86ClFzYndeGz9Vw0H9Gt3rKzVP7iCJa2lzrhggmWWaFhqMfzCUS:3YZHIXYlP2KDdwT3pyxTtzVKHBtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: WinFileVersion: 1.00CompanyName: MicrosoftProductName: WinProductVersion: 1.00OriginalFilename: Win.exe

Win32.Gosys.A also known as:

Bkav W32.VB.Swisyn.PE
MicroWorld-eScan Win32.Gosys.A
FireEye Generic.mg.18f444cd79350ad6
CAT-QuickHeal Trojan.Swisyne.A3
McAfee W32/Swisyn.ag
Cylance Unsafe
VIPRE Trojan-PWS.Win32.VB.cu (v)
Sangfor Malware
K7AntiVirus Trojan ( 0040f0591 )
BitDefender Win32.Gosys.A
K7GW Trojan ( 0040f0591 )
Cybereason malicious.d79350
TrendMicro PE_MOFKSYS.A
Baidu Win32.Trojan.VB.at
Cyren W32/VB.AD.gen!Eldorado
Symantec W32.Gosys
TotalDefense Win32/VB.BOP
APEX Malicious
Avast Win32:Sality
ClamAV Win.Virus.Sality:1-6335700-1
GData Win32.Gosys.A
Kaspersky Trojan.Win32.Swisyn.bner
Alibaba TrojanPSW:Win32/Swisyn.3194b0a1
NANO-Antivirus Trojan.Win32.Swisyn.efyboj
Tencent Trojan.Win32.Swisyn.f
Ad-Aware Win32.Gosys.A
Sophos Troj/VB-JVT
Comodo TrojWare.Win32.VB.OSKB@4pc2ok
F-Secure Trojan.TR/Patched.Ren.Gen
DrWeb Trojan.Siggen6.54687
Zillya Trojan.Swisyn.Win32.32298
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Swisyn.vh
Trapmine malicious.high.ml.score
CMC Trojan.Win32.Swisyn!O
Emsisoft Win32.Gosys.A (B)
Ikarus Trojan-Spy.MSIL.Omaneat
F-Prot W32/VB.AD.gen!Eldorado
Jiangmin Trojan/Swisyn.rmj
MaxSecure Trojan.Swisyn.BNER
Avira TR/Patched.Ren.Gen
MAX malware (ai score=86)
Antiy-AVL Trojan/Win32.Swisyn.bner
Endgame malicious (high confidence)
Arcabit Win32.Gosys.A
ZoneAlarm Trojan.Win32.Swisyn.bner
Microsoft PWS:Win32/VB.CU
AhnLab-V3 Trojan/Win32.Swisyn.R1452
Acronis suspicious
BitDefenderTheta Gen:NN.ZevbaF.34106.Io3@a4DcVwni
ALYac Win32.Gosys.A
VBA32 MAS.Trojan.VB.01049
Malwarebytes Trojan.VBCrypt
Panda Generic Malware
Zoner Trojan.Win32.47063
ESET-NOD32 Win32/VB.OSK
TrendMicro-HouseCall PE_MOFKSYS.A
Rising Trojan.QOT!1.6519 (CLOUD)
Yandex Trojan.VBGent.Gen.471
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Swisyn.BNER!tr
Webroot W32.Trojan.Gen
AVG Win32:Sality
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Virus.VBViking.N

How to remove Win32.Gosys.A?

  • 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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