Categories: Malware

MSIL/Agent.SON removal tips

The MSIL/Agent.SON 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/Agent.SON virus can do?

  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Detects Sunbelt Sandbox through the presence of a file
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a file
  • Detects VirtualBox through the presence of a registry key
  • Detects VMware through the presence of a file
  • Detects VMware through the presence of a registry key

How to determine MSIL/Agent.SON?


File Info:

name: ABC21561D9852D75D8B3.mlwpath: /opt/CAPEv2/storage/binaries/5312772bb9832f47229bd3dd262bf6412780cfe907e5a8a96772c8cfcf685951crc32: 97B1A88Amd5: abc21561d9852d75d8b317e99936fcecsha1: d286d3767e34085c1b2df760e1d44d6cff85b8cfsha256: 5312772bb9832f47229bd3dd262bf6412780cfe907e5a8a96772c8cfcf685951sha512: ea15911d193858da297c3ee640ced12e4085481b1147b338b4f85b4ff0b868eb9c422621567493daeb7e7130fc4294a787ada8af1a13a66146f13e254c2abc54ssdeep: 3072:37zLK6xYiC/8bq6zT9qr30g/nX7AtaKWXSwfSV2g5:37/K6OBUbqqTo7BX7+UCYSV2g5type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B5E38D3C3BC89D11C16CA67E84D7920013B4DC756A52F36BBD88B2A95953FE58A02F4Fsha3_384: 40205eb5a6ca0c42430348501206ccdaa20feb66444f4565ade6859ca1891b689e9544d8f2dc883cfd7cf202b5958114ep_bytes: ff250020400000000000000000000000timestamp: 2018-06-10 21:21:47

Version Info:

0: [No Data]

MSIL/Agent.SON also known as:

Bkav W32.AIDetectNet.01
Lionic Trojan.Win32.Generic.4!c
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.37139626
ALYac Trojan.GenericKD.37139626
Cylance Unsafe
VIPRE Trojan.GenericKD.37139626
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 005336781 )
Alibaba Trojan:MSIL/Generic.fea309f5
K7GW Trojan ( 005336781 )
Cybereason malicious.67e340
Cyren W32/MSIL_Troj.NF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Agent.SON
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.37139626
Avast Win32:TrojanX-gen [Trj]
Tencent Win32.Trojan.Generic.Twhl
Ad-Aware Trojan.GenericKD.37139626
Emsisoft Trojan.GenericKD.37139626 (B)
Zillya Trojan.Agent.Win32.2247703
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
Trapmine malicious.high.ml.score
FireEye Generic.mg.abc21561d9852d75
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.37139626
Jiangmin Trojan.Generic.cfuzp
Google Detected
MAX malware (ai score=86)
Antiy-AVL Trojan/Generic.ASMalwS.3303
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.Generic.D236B4AA
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4533558
McAfee GenericRXDY-DM!ABC21561D985
Malwarebytes Trojan.Crypt.MSIL.Generic
Rising Trojan.Generic/MSIL@AI.100 (RDM.MSIL:ZfYUyU98VmfFxyJzMq344w)
Yandex Trojan.Agent!C3BCFlMxToo
Ikarus Trojan.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.SKA!tr
BitDefenderTheta Gen:NN.ZemsilF.34754.jmW@aWiGyYo
AVG Win32:TrojanX-gen [Trj]
Panda Trj/GdSda.A

How to remove MSIL/Agent.SON?

  • 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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