MSIL/Packed.Confuser.EF information

The MSIL/Packed.Confuser.EF 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 MSIL/Packed.Confuser.EF virus can do?

.NET file is packed/obfuscated with Confuser
The binary likely contains encrypted or compressed data.
Authenticode signature is invalid

How to determine MSIL/Packed.Confuser.EF?


File Info:
name: 25EE929575F12EF3CF05.mlw
path: /opt/CAPEv2/storage/binaries/5f9b592c803f350f7f4ede203079621c6a14bfebc64c0f5e592bcb6ac485f3e8
crc32: AD976224
md5: 25ee929575f12ef3cf057e6c54a81921
sha1: a40f97c33a87eb6c913595a8e3a9451ff5d409fa
sha256: 5f9b592c803f350f7f4ede203079621c6a14bfebc64c0f5e592bcb6ac485f3e8
sha512: 6b0a219f8ce96b88f99c097161bd89677d004cbc4c3597059b292fff5f0d51d1241b9d75dd61af24c27d8986ab3cabb855505c17d6f4b9c758b8b2abf798c797
ssdeep: 12288:9+qR8n7qRmcQSr+n+RUVMdFfPZ8K7FUjAOUD/soa8lcI7M:ESmcQSJRUVMdFfvFUvUDkyc
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11DC4231D367172AFD427D0F0CA996C2493A0A05E03BF9527A09B35ED520CBB2DE2C5B7
sha3_384: 07e203f9f572edf9fe7762ac04b684e1c8a6735d0618ae1ba4c5df15f9bc2288e27594ce8499595a25a16247e4dbcc80
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-09-04 12:52:22

Version Info:
Translation: 0x0000 0x04b0
Comments: 44 CALIBER
CompanyName: 44 CALIBER
FileDescription: 44 CALIBER
FileVersion: 1.6.2.0
InternalName: Insidious.exe
LegalCopyright: FuckTheSystem Copyright ©  2021
LegalTrademarks: 
OriginalFilename: Insidious.exe
ProductName: 44 CALIBER
ProductVersion: 1.6.2.0
Assembly Version: 1.6.2.0

MSIL/Packed.Confuser.EF also known as:

Bkav	W32.AIDetectNet.01
Cynet	Malicious (score: 100)
FireEye	Generic.mg.25ee929575f12ef3
CAT-QuickHeal	Trojan.YakbeexMSIL.ZZ4
Malwarebytes	Trojan.Crypt
VIPRE	Gen:Variant.MSILHeracles.20530
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Password-Stealer ( 0057016e1 )
K7GW	Password-Stealer ( 0057016e1 )
Cybereason	malicious.575f12
Cyren	W32/MSIL_Agent.BWD.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Packed.Confuser.EF
APEX	Malicious
ClamAV	Win.Ransomware.Stupid-9871677-0
Kaspersky	HEUR:Trojan-PSW.MSIL.Disco.gen
BitDefender	Gen:Variant.MSILHeracles.20530
MicroWorld-eScan	Gen:Variant.MSILHeracles.20530
Avast	Win32:RATX-gen [Trj]
Rising	Trojan.Generic/MSIL@AI.97 (RDM.MSIL:ccpRusPrR5hJZPr8/C9n3w)
Ad-Aware	Gen:Variant.MSILHeracles.20530
Emsisoft	Gen:Variant.MSILHeracles.20530 (B)
McAfee-GW-Edition	BehavesLike.Win32.Generic.hc
Trapmine	suspicious.low.ml.score
Sophos	Mal/PWS-JU
Ikarus	Trojan.MSIL.Confuser
GData	Gen:Variant.MSILHeracles.20530
Avira	HEUR/AGEN.1216782
Arcabit	Trojan.MSILHeracles.D5032
ZoneAlarm	HEUR:Trojan-PSW.MSIL.Disco.gen
Microsoft	Trojan:Win32/Sabsik.TE.B!ml
Google	Detected
AhnLab-V3	Trojan/Win.Generic.C5212150
Acronis	suspicious
ALYac	Gen:Variant.MSILHeracles.20530
MAX	malware (ai score=80)
Cylance	Unsafe
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
BitDefenderTheta	Gen:NN.ZemsilF.34606.Im0@aiQCqvc
AVG	Win32:RATX-gen [Trj]
CrowdStrike	win/malicious_confidence_70% (D)

How to remove MSIL/Packed.Confuser.EF?

MSIL/Packed.Confuser.EF 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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