Categories: Malware

MSIL/Small.AT removal instruction

The MSIL/Small.AT 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 MSIL/Small.AT virus can do?

  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz

How to determine MSIL/Small.AT?


File Info:

crc32: C4370051md5: f4b53b9bc0c2a30e93ed46ca3f722644name: F4B53B9BC0C2A30E93ED46CA3F722644.mlwsha1: 2a856cf82ad102406a98ad7f097d5e6dd16f191fsha256: 42175a09f6d470ba1ceba700926b0b7a09e13c55afbd77be7504bccb20b7235csha512: eb8e937384bca4bf481295fe435e1fa0a1ed58909c342b3feb0d1011df1d95229b31c2cbbdf6484927eb23f2986c1dd2dc928899fc870f43250a012f73cad37cssdeep: 96:iBp6qhHDlm7o3IFC/DfEoiNco9znO+WpoGv/D0tBof+NWA7IcFWwQ4zNt:wp5lWZwfEoWX5ORpJAIf+NWAscFWwtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: Wmiprvse.exeFileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 6.1.7601.17514FileDescription: WMI Provider HostOriginalFilename: Wmiprvse.exeTranslation: 0x0409 0x04b0

MSIL/Small.AT also known as:

K7AntiVirus Trojan ( 0051a2291 )
Lionic Trojan.Win32.Generic.4!c
ALYac Gen:Variant.MSIL.Ransom.Jigsaw.2
Cylance Unsafe
Alibaba Trojan:MSIL/Generic.c2ab2b45
K7GW Trojan ( 0051a2291 )
Cybereason malicious.bc0c2a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Small.AT
APEX Malicious
Avast Win32:Malware-gen
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.MSIL.Ransom.Jigsaw.2
NANO-Antivirus Trojan.Win32.Generic.esrtar
MicroWorld-eScan Gen:Variant.MSIL.Ransom.Jigsaw.2
Tencent Win32.Trojan.Agent.Edxd
Ad-Aware Gen:Variant.MSIL.Ransom.Jigsaw.2
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Gen:Variant.MSIL.Ransom.Jigsaw.2
Emsisoft Gen:Variant.MSIL.Ransom.Jigsaw.2 (B)
Webroot W32.Malware.Gen
Antiy-AVL Trojan/Generic.ASMalwS.21CC1DC
Microsoft Trojan:Win32/Vagger!rfn
Arcabit Trojan.MSIL.Ransom.Jigsaw.2
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Variant.MSIL.Ransom.Jigsaw.2
McAfee Artemis!F4B53B9BC0C2
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Panda Trj/GdSda.A
Yandex Trojan.Agent!KyFC4kC2FY4
Ikarus Trojan.SuspectCRC
Fortinet Generik.KGZKRVA!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove MSIL/Small.AT?

  • 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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