Malware

About “MSIL/LockScreen.AN” infection

Malware Removal

The MSIL/LockScreen.AN 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/LockScreen.AN virus can do?

  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Uses suspicious command line tools or Windows utilities

How to determine MSIL/LockScreen.AN?


File Info:

crc32: 41BBC1D1
md5: 41e6d05e1ba0dce669630e36587e68e0
name: 41E6D05E1BA0DCE669630E36587E68E0.mlw
sha1: ea21d80f1142580cae6b9b2c9282d5126bb210a0
sha256: 58e0136eab4fb298c387e6cef743f9a4212975721a20fb9e9d0bb0ded288767e
sha512: 3aa76c83a7a492677681d6cff35e29f1487c4cb79de4b06c3160ef483e1a82f82927be7dcb5fdc95b256c605e11f3699e8d661354e3e633eca7674a7990d0a1d
ssdeep: 3072:bd8TC5M81hK+zE9wS9CTSL5mh/ThDkdo5kvGV8TSLDQ:b8oD189Q/9w4kc8w
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2012
Assembly Version: 1.0.0.0
InternalName: wlnew.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
ProductName: wlnew
ProductVersion: 1.0.0.0
FileDescription: wlnew
OriginalFilename: wlnew.exe

MSIL/LockScreen.AN also known as:

DrWebTrojan.KillProc.19510
MicroWorld-eScanGen:Variant.MSILPerseus.217331
ALYacGen:Variant.MSILPerseus.217331
CylanceUnsafe
CrowdStrikewin/malicious_confidence_60% (D)
Cybereasonmalicious.e1ba0d
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/LockScreen.AN
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.MSILPerseus.217331
NANO-AntivirusTrojan.Win32.KillProc.bajlue
TencentWin32.Trojan.Blocker.yyw
Ad-AwareGen:Variant.MSILPerseus.217331
SophosMal/Generic-S
ComodoMalware@#2rk4zh5p5ifli
BitDefenderThetaGen:NN.ZemsilF.34058.jm0@aWPSwhi
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.41e6d05e1ba0dce6
EmsisoftGen:Variant.MSILPerseus.217331 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Winlock.HT.1
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.23CA7EE
MicrosoftTrojan:Win32/Kurei.A
ArcabitTrojan.MSILPerseus.D350F3
GDataGen:Variant.MSILPerseus.217331
AhnLab-V3Trojan/Win32.Blocker.R44004
McAfeeGenericRXDT-GY!41E6D05E1BA0
MAXmalware (ai score=86)
MalwarebytesMalware.AI.3931045911
PandaGeneric Malware
IkarusTrojan-Ransom.Blocker
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/LockScreen.AN
AVGWin32:Trojan-gen
Qihoo-360Win32/Ransom.Ransomlock.HwMAEpsA

How to remove MSIL/LockScreen.AN?

MSIL/LockScreen.AN 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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