Categories: Backdoor

Should I remove “Backdoor:Win32/Zegost.B”?

The Backdoor:Win32/Zegost.B 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 Backdoor:Win32/Zegost.B virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Deletes its original binary from disk
  • Creates a hidden or system file
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

mfym.f3322.net

How to determine Backdoor:Win32/Zegost.B?


File Info:

crc32: 925E4192md5: 62fead4039e0af1664a9473f4ad90e37name: svchost.exesha1: 8f970a56c663dc5392783f2869902873bf6e47f2sha256: a510fb988d873936d7c22ed69d79577353184cbb0f4f7ddb84c726b1a9dca39csha512: 00d39ce6d76d4c1f053cedda6b3c58300b92418cccb144db6a127e8c3eb4566f740f496e804a6b8f1b807ff9b1ede2478e6e5f2413fdf3fede723027e97c2c07ssdeep: 3072:UuZxEE1Kiv7Q+x0pgrt1zFP9YDKAf0fMus9QBLqQIu/ypq9Spi6DJdh0AooKuopk:U2ciTQHa1zTYffN0BuQneq2Dh1ooKwtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x7248x6743x6240x6709 (C) 2012InternalName: adbrowserFileVersion: 1, 0, 0, 9CompanyName: Net.Soft StudioPrivateBuild: 20120830.01LegalTrademarks: Comments: ProductName: adbrowserSpecialBuild: ProductVersion: 1, 0, 0, 9FileDescription: P2Px7ec8x7ed3x8005x8f85x52a9x6a21x5757OriginalFilename: adbrowser.EXETranslation: 0x0804 0x04b0

Backdoor:Win32/Zegost.B also known as:

DrWeb Trojan.Siggen6.56473
MicroWorld-eScan DeepScan:Generic.Rincux2.F61A2109
FireEye Generic.mg.62fead4039e0af16
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee BackDoor-FCGT!62FEAD4039E0
Cylance Unsafe
VIPRE Backdoor.Win32.Zegost.add (v)
Sangfor Malware
K7AntiVirus Trojan ( 0040f7ad1 )
BitDefender DeepScan:Generic.Rincux2.F61A2109
K7GW Trojan ( 0040f7ad1 )
Cybereason malicious.039e0a
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34090.mi1@aSNKpYbb
Cyren W32/Skintrim.1!Generic
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Gh0stRAT-7474617-0
GData DeepScan:Generic.Rincux2.F61A2109
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Backdoor:Win32/Zegost.37b02fdb
NANO-Antivirus Trojan.Win32.Zegost.cwfdlp
AegisLab Trojan.Win32.Glomaru.lXMS
Tencent Malware.Win32.Gencirc.10b8afd8
Endgame malicious (high confidence)
Sophos Troj/Zegost-CV
Comodo Backdoor.Win32.Zegost.c@4m3x9i
F-Secure Backdoor.BDS/Zegost.Gen
Zillya Trojan.Farfli.Win32.33917
TrendMicro BKDR_ZEGOST.SM04
McAfee-GW-Edition BehavesLike.Win32.HLLPPhilis.dc
Trapmine malicious.high.ml.score
Emsisoft DeepScan:Generic.Rincux2.F61A2109 (B)
Ikarus Trojan.SuspectCRC
F-Prot W32/Skintrim.1!Generic
Jiangmin Trojan/Jorik.gkaj
Webroot W32.Trojan.Gen
Avira BDS/Zegost.Gen
MAX malware (ai score=85)
Arcabit DeepScan:Generic.Rincux2.F61A2109
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Backdoor:Win32/Zegost.B
AhnLab-V3 Trojan/Win32.Generic.R97658
Acronis suspicious
ALYac DeepScan:Generic.Rincux2.F61A2109
VBA32 BScope.Backdoor.Zegost
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Farfli.ARD
TrendMicro-HouseCall BKDR_ZEGOST.SM04
Rising Trojan.Kryptik!1.AAD1 (CLOUD)
Yandex Trojan.Agent!6gEY/46XybQ
SentinelOne DFI – Suspicious PE
Fortinet W32/Farfli.PZA!tr
Ad-Aware DeepScan:Generic.Rincux2.F61A2109
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/HEUR/QVM07.1.8EAF.Malware.Gen

How to remove Backdoor:Win32/Zegost.B?

  • 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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