Trojan:MSIL/AsyncRAT!MSR removal tips

The Trojan:MSIL/AsyncRAT!MSR 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 Trojan:MSIL/AsyncRAT!MSR virus can do?

Yara rule detections observed from a process memory dump/dropped files/CAPE
CAPE extracted potentially suspicious content
.NET file is packed/obfuscated with SmartAssembly
Authenticode signature is invalid

How to determine Trojan:MSIL/AsyncRAT!MSR?


File Info:
name: 76CDEFA61C12408EB240.mlw
path: /opt/CAPEv2/storage/binaries/b0f4a61d2823d4ca1737de9df31c90446a7c110eb574035dec8e9650bdf758ae
crc32: 52902711
md5: 76cdefa61c12408eb2406a3f1828b748
sha1: 421c37fd555474f34b9611eeb586390595af27f8
sha256: b0f4a61d2823d4ca1737de9df31c90446a7c110eb574035dec8e9650bdf758ae
sha512: 72a621536e3817c27c35408c3e1e6baa565e4999b2e2e06488aebd9c32507aa4251eea0e3bea30035a92a48733921ceea78d453c7861f0e4d82eb529d16a43f0
ssdeep: 1536:ghCHu3Bu22yd2J8XzBURDXXMaShUAbgM37lVd:UCHb2N9U1MaShUAbgM33d
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T112735B05479D9712C3EE06BB50E3A7114770CEA77B4BEB8E38C476684E31BEB464258B
sha3_384: 4d2d554af43c77fcc143f12d8634fd957ce4c8763f08ef5a792ce54437c451a1f4fee803d6088cd4187d2f30c0a14526
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-09-01 02:02:09

Version Info:
Translation: 0x0000 0x04b0
Comments: 
CompanyName: 
FileDescription: 
FileVersion: 1.0.0.0
InternalName: Stub.exe
LegalCopyright: 
LegalTrademarks: 
OriginalFilename: Stub.exe
ProductName: 
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

Trojan:MSIL/AsyncRAT!MSR also known as:

Bkav	W32.WoiKymdeX.Trojan
Lionic	Trojan.MSIL.Crysan.m!c
Cynet	Malicious (score: 100)
ALYac	IL:Trojan.MSILZilla.18771
Cylance	Unsafe
Zillya	Trojan.Agent.Win32.3004505
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Trojan ( 00575a901 )
Alibaba	Backdoor:MSIL/Crysan.b8ded9ab
K7GW	Trojan ( 00575a901 )
Cybereason	malicious.61c124
BitDefenderTheta	Gen:NN.ZemsilF.34784.em0@a83BkQk
Cyren	W32/ABRisk.TVDC-3524
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Agent.DEF
APEX	Malicious
ClamAV	Win.Packed.AsyncRAT-9861056-1
Kaspersky	HEUR:Backdoor.MSIL.Crysan.gen
BitDefender	IL:Trojan.MSILZilla.18771
NANO-Antivirus	Trojan.Win32.Crysan.jsvktg
MicroWorld-eScan	IL:Trojan.MSILZilla.18771
Tencent	Msil.Backdoor.Crysan.Yolw
Ad-Aware	IL:Trojan.MSILZilla.18771
Emsisoft	IL:Trojan.MSILZilla.18771 (B)
DrWeb	BackDoor.AsyncRATNET.2
VIPRE	IL:Trojan.MSILZilla.18771
TrendMicro	Backdoor.Win32.ASYNCRAT.YXCILZ
McAfee-GW-Edition	RDN/Generic BackDoor
Trapmine	malicious.moderate.ml.score
FireEye	Generic.mg.76cdefa61c12408e
Sophos	Mal/Generic-S
Ikarus	Trojan.MSIL.Agent
Jiangmin	Backdoor.MSIL.fxsv
Avira	TR/Dropper.Gen
Antiy-AVL	Trojan/Generic.ASMalwS.6DA3
Microsoft	Trojan:MSIL/AsyncRAT!MSR
Arcabit	IL:Trojan.MSILZilla.D4953
ZoneAlarm	HEUR:Backdoor.MSIL.Crysan.gen
GData	IL:Trojan.MSILZilla.18771
Google	Detected
AhnLab-V3	Trojan/Win32.Bladabindi.C4017160
Acronis	suspicious
McAfee	RDN/Generic BackDoor
MAX	malware (ai score=86)
Malwarebytes	Backdoor.AsyncRAT
Panda	Trj/GdSda.A
TrendMicro-HouseCall	Backdoor.Win32.ASYNCRAT.YXCILZ
Rising	Trojan.Generic/MSIL@AI.100 (RDM.MSIL:VHohHkbfc3YPwIVBydnpGQ)
Yandex	Trojan.Agent!ycEN7/g3O3M
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.74478283.susgen
Fortinet	PossibleThreat
AVG	Win32:KeyloggerX-gen [Trj]
Avast	Win32:KeyloggerX-gen [Trj]
CrowdStrike	win/malicious_confidence_100% (W)

How to remove Trojan:MSIL/AsyncRAT!MSR?

Trojan:MSIL/AsyncRAT!MSR removal tool

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.

About the author

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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