Categories: Backdoor

Backdoor.Win32.Zegost removal

The Backdoor.Win32.Zegost 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 Backdoor.Win32.Zegost virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • The binary likely contains encrypted or compressed data.
  • Detects Sandboxie through the presence of a library
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: ss_pro_installer.exe
  • Network activity detected but not expressed in API logs
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Backdoor.Win32.Zegost?


File Info:

crc32: 48BD435Dmd5: 9a638cdf9d98e24307f3b8b8161990fename: ss_pro_installer.exesha1: 0860b5014c0cd2de6078964af528e72b459962d4sha256: 37db82b3a021552d2f4fea39cf7e1e1e79d893ed9fe157eac490a5397c544c6bsha512: a4c30607915e129c37049f2cee1437708a2db032cb4abcefc56deaacfa9a296cfa2249d39bd9d02b42b3476264bc95b03667dfdb68f840a4bf432d79a54df0c8ssdeep: 98304:blVwNTocQ9QQw2FigrPh6/Q15g9EIDMjkscIZK++:TkUcQugd6/Q0cZCtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2020Assembly Version: 2.0.0.0InternalName: SS Spotify Streamer Pro Installer.exeFileVersion: 2.0.0.0CompanyName: PsychilLegalTrademarks: Comments: ProductName: SS Spotify Streamer Pro InstallerProductVersion: 2.0.0.0FileDescription: SS Spotify Streamer Pro InstallerOriginalFilename: SS Spotify Streamer Pro Installer.exe

Backdoor.Win32.Zegost also known as:

Bkav HW32.Packed.
MicroWorld-eScan Trojan.GenericKD.43361766
FireEye Generic.mg.9a638cdf9d98e243
CAT-QuickHeal Backdoor.Zegost
McAfee Artemis!9A638CDF9D98
Cylance Unsafe
K7AntiVirus Trojan ( 00559a4c1 )
BitDefender Trojan.GenericKD.43361766
K7GW Trojan ( 00559a4c1 )
Cybereason malicious.14c0cd
Invincea heuristic
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
GData Trojan.GenericKD.43361766
Kaspersky HEUR:Backdoor.Win32.Zegost.gen
Alibaba Packed:Win32/Themida.3dc90667
NANO-Antivirus Trojan.Win32.Zegost.hlwzqs
AegisLab Trojan.Win32.Zegost.m!c
Rising Backdoor.Zegost!8.177 (CLOUD)
Endgame malicious (high confidence)
Sophos Mal/Generic-S
Comodo Malware@#x9zsonn7f8bm
F-Secure Trojan.TR/Crypt.XPACK.Gen
VIPRE Trojan.Win32.Generic!BT
MaxSecure Trojan.Malware.300983.susgen
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKD.43361766 (B)
Ikarus Trojan.Win32.Themida
Cyren W32/Trojan.DLVY-9321
Jiangmin Backdoor.Zegost.ajq
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=89)
Microsoft Trojan:Win32/Occamy.C37
Arcabit Trojan.Generic.D295A5E6
ZoneAlarm HEUR:Backdoor.Win32.Zegost.gen
Cynet Malicious (score: 90)
BitDefenderTheta Gen:NN.ZexaF.34130.@B0@ayIoR3c
ALYac Trojan.GenericKD.43361766
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Trojan.MalPack.Themida.Generic
ESET-NOD32 a variant of Win32/Packed.Themida.GZV
TrendMicro-HouseCall TROJ_GEN.R002H0CFJ20
Yandex Trojan.Themida!
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_95%
Fortinet W32/Zegost!tr.bdr
Ad-Aware Trojan.GenericKD.43361766
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_80% (W)
Qihoo-360 Win32/Backdoor.15f

How to remove Backdoor.Win32.Zegost?

  • 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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