Categories: Malware

What is “VirTool:MSIL/Obfuscator.AX”?

The VirTool:MSIL/Obfuscator.AX 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.

Gridinsoft Anti-Malware

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.

DOWNLOAD NOW

6-day free trial available.

What VirTool:MSIL/Obfuscator.AX virus can do?

SetUnhandledExceptionFilter detected (possible anti-debug)
Yara rule detections observed from a process memory dump/dropped files/CAPE
Presents an Authenticode digital signature
Creates RWX memory
Guard pages use detected – possible anti-debugging.
Dynamic (imported) function loading detected
Performs HTTP requests potentially not found in PCAP.
A process created a hidden window
CAPE extracted potentially suspicious content
Authenticode signature is invalid
Anomalous .NET characteristics
Behavioural detection: Injection (Process Hollowing)
Executed a process and injected code into it, probably while unpacking
Behavioural detection: Injection (inter-process)
Anomalous binary characteristics

How to determine VirTool:MSIL/Obfuscator.AX?


File Info:
name: CEE07ABBAC486C68D8A1.mlwpath: /opt/CAPEv2/storage/binaries/3eabbafeab6b3193fe26477f85691b88b9793be011f5ef74407fac3f0faa7d27crc32: 84A3D092md5: cee07abbac486c68d8a10fd5db29b5e4sha1: 64a912832040ef15d48b7ec81066d129d1540e0dsha256: 3eabbafeab6b3193fe26477f85691b88b9793be011f5ef74407fac3f0faa7d27sha512: 5f5e8e1cb9635df2b6b67faa6ff01aba446834d533cc9f2ef1cfa1d43e9547a8ad9f344444cae0536e94b7d27a2af054954bba690a5f32ad580e9cc0707b0ffcssdeep: 12288:aK535HZ78ZxxtWk/lLJsRVyFJbxYa7V6H+YjLeqI61KADYjwj3sk66BZnWMN6fGE:aK53rk/lWDyPhnFQZSZtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12425C50231BE8B89F172B8F999DC7DBC479BBAE507F68059D508070AE817AD0CC5E674sha3_384: b9b379a4119433fd5f51aa9925b2dd1056f8c2e0401a3f19862dfe640ecf34ad093f56fb71376b276c904742cbf5ab6aep_bytes: ff250020400000000000000000000000timestamp: 2015-03-23 07:31:58
Version Info:
FileDescription: Lights StandaloneTranslation: 0x0000 0x04b0

VirTool:MSIL/Obfuscator.AX also known as:

Lionic	Trojan.Multi.Generic.4!c
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.MSIL.Agent.VS
McAfee	Artemis!CEE07ABBAC48
Cylance	Unsafe
Zillya	Trojan.Agent.Win32.1841893
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Trojan ( 0055e39a1 )
Alibaba	VirTool:MSIL/Obfuscator.addc8c5e
K7GW	Trojan ( 0055e39a1 )
Cybereason	malicious.bac486
Symantec	Infostealer.Limitail
ESET-NOD32	a variant of MSIL/Injector.IRY
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan.Win32.Generic
BitDefender	Trojan.MSIL.Agent.VS
NANO-Antivirus	Trojan.Win32.Inject.dpumwb
Avast	MSIL:GenMalicious-ESW [Trj]
Tencent	Win32.Trojan.Inject.Tdzc
Ad-Aware	Trojan.MSIL.Agent.VS
Sophos	Mal/Generic-R + Troj/MSIL-CEX
Comodo	Malware@#2hp2s9118f6i8
DrWeb	Trojan.Inject3.26014
VIPRE	Trojan.Win32.Generic!BT
TrendMicro	TROJ_INJECTOR.YYVH
McAfee-GW-Edition	BehavesLike.Win32.Backdoor.th
FireEye	Generic.mg.cee07abbac486c68
Emsisoft	Trojan.MSIL.Agent.VS (B)
SentinelOne	Static AI – Malicious PE
GData	Trojan.MSIL.Agent.VS
Jiangmin	Trojan.Generic.dzspp
Webroot	Trojan.Dropper.Gen
Avira	HEUR/AGEN.1124747
MAX	malware (ai score=82)
Antiy-AVL	Trojan/Generic.ASMalwS.2C651AE
Arcabit	Trojan.MSIL.Agent.VS
ViRobot	Trojan.Win32.Agent.1049888
Microsoft	VirTool:MSIL/Obfuscator.AX
Cynet	Malicious (score: 99)
AhnLab-V3	Trojan/Win32.ZBot.R139159
BitDefenderTheta	Gen:NN.ZemsilF.34114.an1@aGS4Ccf
ALYac	Trojan.MSIL.Agent.VS
Malwarebytes	Malware.AI.3497710248
TrendMicro-HouseCall	TROJ_INJECTOR.YYVH
Yandex	Trojan.Injector!LT74heqlwIM
Ikarus	Trojan-Spy.Agent
eGambit	Unsafe.AI_Score_99%
Fortinet	MSIL/Injector.IYP!tr
AVG	MSIL:GenMalicious-ESW [Trj]
Panda	Trj/Genetic.gen
CrowdStrike	win/malicious_confidence_80% (D)
MaxSecure	Trojan.Malware.300983.susgen