Categories: Backdoor

Backdoor.MSIL.Xtreme removal instruction

The Backdoor.MSIL.Xtreme 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.MSIL.Xtreme virus can do?

  • CAPE extracted potentially suspicious content
  • .NET file is packed/obfuscated with SmartAssembly
  • Authenticode signature is invalid

How to determine Backdoor.MSIL.Xtreme?


File Info:

name: C6A1C6DC61713F4E870A.mlwpath: /opt/CAPEv2/storage/binaries/38383102bcf514c9bab8ac80bdc4568fc12cad2729fdbaeff7628d01d5e59ec1crc32: D0CCC4C7md5: c6a1c6dc61713f4e870a46a3af5a3402sha1: 2a74674cdbb300551a2ded8bb66dc143f07ca0c8sha256: 38383102bcf514c9bab8ac80bdc4568fc12cad2729fdbaeff7628d01d5e59ec1sha512: b531d41dd723fb3f0f313e85a1cb9985fd05906e69a727824d97c543e5b88432fe62a5c7b1c21db76b15d6b638d67f970884824ebe0639d44c22f9b4ce654640ssdeep: 3072:+dP3xygroNzU6wwTb0tYjJm619LJDWWH2RCeVhfDf2Z:eBTcJ/WwIhT2type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A694DD2CA6D78389FC779E7E8BD0B461852EB1B2FAC7639B0771024A4A11650CDD1D3Bsha3_384: 6cd61ca2db865717827e2d1356a552bee963beb2f4e930e20b3e2060c1a3e4d4e22c646b1b2b53fd611dad40fb48466eep_bytes: ff250020400000000000000000000000timestamp: 2013-12-30 00:51:45

Version Info:

Translation: 0x0000 0x04b0CompanyName: aHlh0M4Q6PFd5FileDescription: aM2UVWCYPnBFileVersion: 14.19.24.97InternalName: Hotspot Shield.lnk.exeLegalCopyright: Copyright © 2012LegalTrademarks: aZaEKJjnqhWZA3ei9dk3OriginalFilename: Hotspot Shield.lnk.exeProductName: a7ILDvTzSY4coomtaProductVersion: 14.19.24.97Assembly Version: 9.14.19.87

Backdoor.MSIL.Xtreme also known as:

MicroWorld-eScan IL:Trojan.MSILZilla.24897
ClamAV Win.Packed.Fecn-7077459-0
FireEye Generic.mg.c6a1c6dc61713f4e
CAT-QuickHeal TrjnDwnldrMSIL.Ranos.A4
McAfee GenericRXJS-SS!C6A1C6DC6171
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
K7GW Trojan ( 700000121 )
Cybereason malicious.cdbb30
BitDefenderTheta Gen:NN.ZemsilF.36738.Am0@aOvukxc
VirIT Trojan.Win32.MSIL_Heur.A
Cyren W32/MSIL_Troj.EJ.gen!Eldorado
Symantec Backdoor.Ratenjay
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Injector.CJO
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Backdoor.MSIL.Xtreme.gen
BitDefender IL:Trojan.MSILZilla.24897
NANO-Antivirus Trojan.Win32.Disfa.cwbhis
Avast MSIL:GenMalicious-E [Trj]
Emsisoft IL:Trojan.MSILZilla.24897 (B)
F-Secure Heuristic.HEUR/AGEN.1309953
VIPRE IL:Trojan.MSILZilla.24897
McAfee-GW-Edition GenericRXJS-SS!C6A1C6DC6171
Trapmine malicious.high.ml.score
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
GData IL:Trojan.MSILZilla.24897
Avira HEUR/AGEN.1309953
Antiy-AVL GrayWare/MSIL.Injector.cjo
Xcitium TrojWare.MSIL.Injector.CK@57m9xp
Arcabit IL:Trojan.MSILZilla.D6141
ZoneAlarm HEUR:Backdoor.MSIL.Xtreme.gen
Microsoft TrojanDownloader:MSIL/Ranos.A
Google Detected
ALYac IL:Trojan.MSILZilla.24897
MAX malware (ai score=88)
VBA32 Malware-Cryptor.MSIL.AgentTesla.Heur
Panda Generic Malware
Rising Malware.Obfus/MSIL@AI.80 (RDM.MSIL2:RwqCApvvRw4av0lEyqrLKw)
Ikarus Trojan.MSIL.Injector
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Injector.CKC!tr
AVG MSIL:GenMalicious-E [Trj]
DeepInstinct MALICIOUS

How to remove Backdoor.MSIL.Xtreme?

  • 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.
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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