Backdoor:Win32/Zegost malicious file

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
Unconventionial binary language: Chinese (Simplified)
Unconventionial language used in binary resources: Chinese (Simplified)
Deletes its original binary from disk
Installs itself for autorun at Windows startup
Creates a hidden or system file
Creates a copy of itself

Related domains:

z.whorecord.xyz

a.tomx.xyz

nuoxi.f3322.net

How to determine Backdoor:Win32/Zegost?


File Info:
crc32: A36B83E5
md5: 86abe3f66f279160c757ebab4b18c7ee
name: system.exe
sha1: 3cb7f0c751c7397cd21fe6347a110db331f429ac
sha256: cb550f51aa8d009d15399d9e6badbbf4e2c98c70a18ad17bc7c5338e03030d28
sha512: b612036e2e88e2f0e44f51ef31a534f8fd1d4dd7e769c66db56b1e91f894a0657366b20c935812e7b676329df25e2866986905440c141f38a7ee77a8caf5ee71
ssdeep: 1536:EDHoY77FFNQ/ttWJ774IgwZFXMCNVLRJwKj9OmcDP:UH377FFNQ/ttWJ3HgyM2VLRJwKj9Ar
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: x7248x6743x6240x6709 (C) 2010
InternalName: TabTest
FileVersion: 1, 0, 0, 1
CompanyName: 
LegalTrademarks: 
ProductName: TabTest x5e94x7528x7a0bx5e8f
ProductVersion: 1, 0, 0, 1
FileDescription: TabTest Microsoft x57fax7840x7c7bx5e94x7528x7a0bx5e8f
OriginalFilename: TabTest.EXE
Translation: 0x0804 0x04b0

Backdoor:Win32/Zegost also known as:

DrWeb	BackDoor.Siggen2.3115
MicroWorld-eScan	Gen:Variant.Graftor.714926
FireEye	Generic.mg.86abe3f66f279160
Qihoo-360	Win32/Backdoor.aec
ALYac	Gen:Variant.Graftor.714926
Malwarebytes	Backdoor.Farfli
K7AntiVirus	Trojan ( 005624ed1 )
BitDefender	Gen:Variant.Graftor.714926
K7GW	Trojan ( 005624ed1 )
Cybereason	malicious.751c73
Invincea	heuristic
BitDefenderTheta	Gen:NN.ZexaF.34104.fq0@ae0D5!cb
APEX	Malicious
GData	Gen:Variant.Graftor.714926
Kaspersky	Backdoor.Win32.Lotok.bic
Avast	Win32:BackdoorX-gen [Trj]
Ad-Aware	Gen:Variant.Graftor.714926
Zillya	Trojan.GenKryptik.Win32.44443
Trapmine	malicious.high.ml.score
Emsisoft	Gen:Variant.Graftor.714926 (B)
Jiangmin	Backdoor.Lotok.fe
Antiy-AVL	Trojan/Win32.Wacatac
Endgame	malicious (high confidence)
Arcabit	Trojan.Graftor.DAE8AE
ZoneAlarm	Backdoor.Win32.Lotok.bic
Microsoft	Backdoor:Win32/Zegost
Acronis	suspicious
MAX	malware (ai score=89)
VBA32	Backdoor.Lotok
ESET-NOD32	a variant of Win32/GenKryptik.EGBG
Tencent	Malware.Win32.Gencirc.10b91ad1
eGambit	Unsafe.AI_Score_99%
Fortinet	W32/GenKryptik.EGBG!tr
AVG	Win32:BackdoorX-gen [Trj]
Panda	Trj/GdSda.A
CrowdStrike	win/malicious_confidence_100% (D)

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.

Backdoor:Win32/Zegost malicious file