Categories: Backdoor

How to remove “GenPack:Backdoor.Generic.490839”?

The GenPack:Backdoor.Generic.490839 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 GenPack:Backdoor.Generic.490839 virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine GenPack:Backdoor.Generic.490839?


File Info:

name: 2D11EB18F12E685FAE4B.mlwpath: /opt/CAPEv2/storage/binaries/ff11088ffb06f423f39744b8b5cacdf130abb7892211556af6d0de5325320208crc32: DC513EABmd5: 2d11eb18f12e685fae4bb628edc6c739sha1: 73cf09f065c7ba9497298b6e468d42b7ded7b189sha256: ff11088ffb06f423f39744b8b5cacdf130abb7892211556af6d0de5325320208sha512: 300bacdd8a603e4b7aa35e87064d081074bafd64ef269887870fec7b9a7a3f0c8a60c8fa0f983ba0f0471f51f2c788bf5da89c611de4c39199721a5b82d02ccdssdeep: 24576:gPY3NkUyL9+8nR95ydms+pkgJfzk6Dy1gjBReWXpSFWc+Vd1/NYxgfryuexm:kY3NkUyRXnR9aApXA6Dye6WXcFRAT/Nntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1337512A262EFA369E547087108D59135AE03FCF83A23A24B7E483A2553F71761F15DECsha3_384: 87794115a721bd8b1b8b079709506376d8e44316ab96233e9702cc6fad18cfa48edb3c5ee5f34b81d4d836efd427a5d2ep_bytes: 5253572bdb5056510f849efeffffa56ctimestamp: 1972-12-25 05:33:23

Version Info:

0: [No Data]

GenPack:Backdoor.Generic.490839 also known as:

Bkav W32.FlyStudioTn.Heur
tehtris Generic.Malware
MicroWorld-eScan GenPack:Backdoor.Generic.490839
FireEye Generic.mg.2d11eb18f12e685f
McAfee W32/Autorun.worm.lv
Malwarebytes Generic.Malware.AI.DDS
VIPRE GenPack:Backdoor.Generic.490839
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056f78b1 )
BitDefender GenPack:Backdoor.Generic.490839
K7GW Trojan ( 0056f78b1 )
Cybereason malicious.8f12e6
Cyren W32/Nuj.A.gen!Eldorado
Symantec Backdoor.Trojan
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/FlyStudio.OGX
TrendMicro-HouseCall WORM_FLYSTUDI.B
Avast Win32:Evo-gen [Trj]
Kaspersky Worm.Win32.FlyStudio.ih
NANO-Antivirus Trojan.Win32.FlyStudio.dszdon
Rising Malware.FakeFolder/ICON!1.6AA9 (CLASSIC)
Emsisoft Application.Generic (A)
F-Secure Trojan-Dropper:W32/Peed.gen!A
DrWeb Win32.HLLW.Autoruner.26035
Zillya Trojan.FlyStudio.Win32.5513
TrendMicro WORM_FLYSTUDI.B
McAfee-GW-Edition BehavesLike.Win32.Triusor.tc
Trapmine malicious.high.ml.score
Sophos Mal/EncPk-NB
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.erbe
Google Detected
Avira TR/Dropper.Gen
Antiy-AVL Trojan[Backdoor]/Win32.FlyAgent
Microsoft Backdoor:Win32/FlyAgent.F
Xcitium TrojWare.Win32.Agent.btho@2e68po
Arcabit GenPack:Backdoor.Generic.D77D57
SUPERAntiSpyware Trojan.Agent/Gen-XPFraud
ZoneAlarm Worm.Win32.FlyStudio.ih
GData GenPack:Backdoor.Generic.490839
Cynet Malicious (score: 100)
AhnLab-V3 Win32/Flystudio.worm.Gen
Acronis suspicious
BitDefenderTheta AI:Packer.19823E521F
MAX malware (ai score=81)
DeepInstinct MALICIOUS
VBA32 BScope.TrojanDownloader.FlyStudio
Cylance unsafe
APEX Malicious
Tencent Malware.Win32.Gencirc.10b380dd
MaxSecure Not-a-Virus.FlyStdio
Fortinet W32/PckdFlyStudio.gen
AVG Win32:Evo-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

How to remove GenPack:Backdoor.Generic.490839?

  • 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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