Categories: Malware

VirTool:Win32/Obfuscator.KU (file analysis)

The VirTool:Win32/Obfuscator.KU 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 VirTool:Win32/Obfuscator.KU virus can do?

Behavioural detection: Executable code extraction – unpacking
At least one process apparently crashed during execution
Dynamic (imported) function loading detected
Presents an Authenticode digital signature
Creates RWX memory
CAPE extracted potentially suspicious content
Drops a binary and executes it
Unconventionial binary language: Russian
Unconventionial language used in binary resources: Russian
Authenticode signature is invalid
Anomalous binary characteristics

How to determine VirTool:Win32/Obfuscator.KU?


File Info:
name: C431C3B51BFA5F0A4B26.mlwpath: /opt/CAPEv2/storage/binaries/d43aa02ba0ff42f06bc8c390f301e060dcad8ab180305c853d7b268c2c9b1b5dcrc32: 0FFEBE5Bmd5: c431c3b51bfa5f0a4b26120a9c99984dsha1: 076e8552208d30c147570e90bdb9f2518218da55sha256: d43aa02ba0ff42f06bc8c390f301e060dcad8ab180305c853d7b268c2c9b1b5dsha512: e99c88517ec9982f07ab2d106b77ff00b89b16c121d97b4c97acaf81b26dcbafcefb9183e25cc621d70fc42ad5ab4d09cfccce0725a56be1c698adaeb0b08970ssdeep: 3072:zl3/WNAfcmnFgPWO2FIjOsA8YNXuB2bnxs5q8YURx8icN31WV3ScApAf+wS:MNAfcmF+YI6Teqs5qdURxdi3LdAMtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C124120BBCB50724F4BA433029934BE9DC9CB511025E4767804E6AD629B133FFA76DA7sha3_384: f7d41732bf32535dc593470a2b837ad0d87fa0a1292c0ba70a83527b13f9c9b92711cf748ef39d592da15b9b242c6502ep_bytes: 558bec83ec2856576a4de891f5ffff8btimestamp: 2010-07-03 16:02:20
Version Info:
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)ProductVersion: 6.1.7600.16385CompanyName: Microsoft CorporationFileDescription: Приложение служб и контроллеровInternalName: services.exeLegalCopyright: © Корпорация Майкрософт. Все права защищены.OriginalFilename: services.exe.muiProductName: Операционная система Microsoft® Windows®Translation: 0x0419 0x04b0

VirTool:Win32/Obfuscator.KU also known as:

Bkav	W32.Common.B90CD1BE
tehtris	Generic.Malware
MicroWorld-eScan	Gen:Variant.Kazy.3060
FireEye	Generic.mg.c431c3b51bfa5f0a
ALYac	Gen:Variant.Kazy.3060
Cylance	Unsafe
Zillya	Trojan.Zbot.Win32.29671
Sangfor	Suspicious.Win32.Save.a
Alibaba	VirTool:Win32/Obfuscator.f8a4e792
Cybereason	malicious.51bfa5
VirIT	Trojan.Win32.Crypt.AERH
Cyren	W32/Risk.WOSN-6187
Symantec	Packed.Generic.339
Elastic	malicious (high confidence)
ESET-NOD32	Win32/TrojanDropper.Tiny.NAI
APEX	Malicious
ClamAV	Win.Trojan.Agent-906507
Kaspersky	HEUR:Trojan.Win32.Generic
BitDefender	Gen:Variant.Kazy.3060
NANO-Antivirus	Trojan.Win32.SpyEyes.bruyv
Avast	Win32:Trojan-gen
Tencent	Win32.Trojan-spy.Spyeyes.Swaj
Ad-Aware	Gen:Variant.Kazy.3060
Sophos	Mal/Generic-R + Mal/ZBot-BT
Comodo	Malware@#1o86kxxsfqtjx
DrWeb	BackDoor.Spy.700
VIPRE	Gen:Variant.Kazy.3060
TrendMicro	TROJ_SPYEYES.H
McAfee-GW-Edition	PWS-Zbot.gen.da
Trapmine	malicious.high.ml.score
Emsisoft	Gen:Variant.Kazy.3060 (B)
Ikarus	Trojan.Crypt
Webroot	W32.Bumat.Gen
Avira	TR/Spy.Zbot.hak
MAX	malware (ai score=100)
Kingsoft	Win32.VirInstaller.Tiny.(kcloud)
Microsoft	VirTool:Win32/Obfuscator.KU
Arcabit	Trojan.Kazy.DBF4
ViRobot	Trojan.Win32.SpyEyes.223880
GData	Gen:Variant.Kazy.3060
Cynet	Malicious (score: 100)
McAfee	PWS-Zbot.gen.da
VBA32	Heur.Trojan.Hlux
Malwarebytes	Malware.Heuristic.1008
TrendMicro-HouseCall	TROJ_SPYEYES.H
Rising	Trojan.Generic@AI.90 (RDML:Trj1RnRz4Z3QFFYgmW5QqQ)
Yandex	Trojan.DR.Tiny!tiGxt2RgWVg
SentinelOne	Static AI – Malicious PE
Fortinet	W32/Generic.AP.42280
BitDefenderTheta	Gen:NN.ZexaF.34742.nq1@aKFCzyik
AVG	Win32:Trojan-gen
Panda	Generic Malware
CrowdStrike	win/malicious_confidence_100% (W)