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mscorsvw.exe

Microsoft .NET Framework

Microsoft Corporation

The .NET Runtime Optimization Service is distributed with version 4.0 of the .NET Framework This assembly is part of version 4.0 of the .NET Framework . The executable mscorsvw.exe, “.NET Runtime Optimization Service” has been detected as malware by 12 anti-virus scanners. It runs as a windows Service named “Microsoft .NET Framework NGEN v4.0.30319_X86”.
Publisher:
Microsoft Corporation

Product:
Microsoft® .NET Framework

Description:
.NET Runtime Optimization Service

Version:
4.5.27.0 built by: FX453PREVIEWREL

MD5:
5217b9bc023bbe8861f29acb5954ec47

SHA-1:
e60ccf822b5d03f87e069e2f4a2e4b97675c5543

SHA-256:
ed159d9e38cf45bdb56795f55ecc072bb7c293114cd2b2f0697e771c3e7895fc

Scanner detections:
12 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
4/26/2024 9:17:56 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Xpirat
160214-1

AVG
Win32/Expiro
2015.0.4522

Dr.Web
Win32.Expiro.80
9.0.1.05190

Emsisoft Anti-Malware
Win32.Expiro.Gen
10.0.0.5366

ESET NOD32
Win32/Expiro.BB virus
7.0.302.0

F-Prot
New or modified Expiro
4.6.5.141

F-Secure
Win32.Expiro.Gen.3
5.15.21

Kaspersky
Virus.Win32.Expiro
15.0.0.562

McAfee
Virus.W32/Expiro.gen.p
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.6222.0

Norman
Win32.Expiro.Gen.3
03.02.2016 10:30:35

Sophos
Virus 'W32/Expiro-S'
5.23

File size:
670 KB (686,080 bytes)

Product version:
4.5.27.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
mscorsvw.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe

File PE Metadata
Compilation timestamp:
11/7/2014 5:57:36 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:A963GMUCEAOuWDlpeu8M8SoothdqJ/AS696fOHOdOzEi:dGMfEAORCu8Ofth6/AS696feOdOzEi

Entry address:
0x297A

Entry point:
60, 55, 89, E5, 81, EC, 08, 01, 00, 00, C7, 45, EC, 06, 00, 00, 00, C7, 45, F4, 04, 00, 00, 00, 83, 65, F8, 00, 8B, 45, EC, 83, E8, 06, 89, 45, F0, C7, 45, B8, E9, 38, 00, 00, C7, 45, E8, 67, 78, E0, CA, B8, 26, 01, 00, 00, F7, 65, B8, 89, 45, 90, 89, 45, F8, C7, 45, F0, FC, 32, 00, 00, 81, 45, F0, C7, 05, 00, 00, 81, 45, F0, 3D, 7F, 03, 00, 8B, 45, F4, 03, 45, EC, 83, E8, 0A, 89, 45, C4, 81, 45, F8, 1A, 2D, 00, 00, FF, 4D, E8, C7, 45, E4, 1A, 12, 00, 00, 8B, 45, E4, 29, 45, F8, C7, 45, DC, B0, 8C, 41, 00...
 
[+]

Entropy:
7.2854

Code size:
74 KB (75,776 bytes)

Service
Display name:
Microsoft .NET Framework NGEN v4.0.30319_X86

Service name:
clr_optimization_v4.0.30319_32

Description:
Microsoft .NET Framework NGEN

Type:
Win32OwnProcess, InteractiveProcess


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