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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 and was updated as a general distribution release (GDR) delivered via Windows Update. The executable mscorsvw.exe, “.NET Runtime Optimization Service” has been detected as malware by 41 anti-virus scanners. It runs as a separate (within the context of its own process) windows Service named “Microsoft .NET Framework NGEN v4.0.30319_X86”.
Publisher:
Microsoft Corporation

Product:
Microsoft® .NET Framework

Description:
.NET Runtime Optimization Service

Version:
4.0.30319.34209 built by: FX452RTMGDR

MD5:
4e8ac1cd6b8aa88cba7da9cbf24f95fc

SHA-1:
9b29d5a42391733a23108420a386edf59fb77556

SHA-256:
ea27ea4c7fc43c896ad7570fabe522958bb55c4109c0af571145b5d18aac313f

Scanner detections:
41 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/25/2024 1:29:30 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Jeefo.B
524

Agnitum Outpost
Win32.Hidrag
7.1.1

AhnLab V3 Security
Win32/Hidrag
2015.05.19

Avira AntiVirus
W32/Jeefo.A
8.3.1.6

avast!
Win32:Gardih
2014.9-150830

AVG
Win32/Hidrag.A
2016.0.3002

Baidu Antivirus
Virus.Win32.Jeefo.$40
4.0.3.15830

Bitdefender
Win32.Jeefo.B
1.0.20.1210

Bkav FE
W32.SplitFileLTB.PE
1.3.0.6379

Clam AntiVirus
W32.Jeefo-3
0.98/21511

Comodo Security
Win32.Jeefo.A
22168

Dr.Web
Win32.HLLP.Jeefo.36352
9.0.1.0242

Emsisoft Anti-Malware
Win32.Jeefo
8.15.08.30.12

ESET NOD32
Win32/Jeefo
9.11647

Fortinet FortiGate
W32/Jeefo.A
8/30/2015

F-Prot
W32/Jeefo.A
v6.4.7.1.166

F-Secure
Win32.Jeefo.B
11.2015-30-08_1

G Data
Win32.Jeefo
15.8.25

IKARUS anti.virus
Virus.Win32.Hidrag
t3scan.1.8.9.0

K7 AntiVirus
Trojan
13.204.15949

Kaspersky
Virus.Win32.Hidrag
14.0.0.1505

Malwarebytes
Virus.Jeefo
v2015.08.30.12

McAfee
W32/Jeefo.e
5600.6658

Microsoft Security Essentials
Virus:Win32/Jeefo.A
1.1.11701.0

MicroWorld eScan
Win32.Jeefo.B
16.0.0.726

NANO AntiVirus
Virus.Win32.Hidrag.clfcen
0.30.24.1357

Norman
Hidrag.A
11.20150830

nProtect
Virus/W32.Hidrag
15.05.18.01

Panda Antivirus
Generic Malware
15.08.30.12

Qihoo 360 Security
HEUR/Malware.QVM02.Gen
1.0.0.1015

Quick Heal
W32.Jeefo.A
8.15.14.00

Rising Antivirus
PE:Win32.HiDrag.a!1173742080
23.00.65.15828

Sophos
W32/Jeefo-A
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Jeefo
9661

Total Defense
Win32/Jeefo.A
37.1.62.1

Trend Micro House Call
TROJ_FLOOD.AF
7.2.242

Trend Micro
TROJ_FLOOD.AF
10.465.30

Vba32 AntiVirus
Virus.Jeefo
3.12.26.4

VIPRE Antivirus
Virus.Win32.Jeefo.a
40354

ViRobot
Win32.Hidrag[h]
2014.3.20.0

Zillya! Antivirus
Virus.Jeefo.Win32.1
2.0.0.2182

File size:
136.7 KB (139,960 bytes)

Product version:
4.0.30319.34209

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:
8/25/2001 1:00:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.55

CTPH (ssdeep):
3072:fyH99g4byc6H5c6HcT66vlmm+KIRN4BZ5JaY9FJvDj/ME/QrMNkk/e97ji9pDaa:fyH7xOc6H5c6HcT66vlmeiWZ5Z7/ME/h

Entry address:
0x11F0

Entry point:
55, 89, E5, 83, EC, 08, 83, C4, F4, 6A, 02, A1, C8, B2, 40, 00, FF, D0, E8, 79, FF, FF, FF, C9, C3, 00, 00, 00, 00, 00, 00, 00, 49, 6A, 65, 65, 66, 6F, 21, 45, 73, 62, 68, 70, 6F, 21, 77, 6A, 73, 76, 74, 2F, 21, 43, 70, 73, 6F, 21, 6A, 6F, 21, 62, 21, 75, 73, 70, 71, 6A, 64, 62, 6D, 21, 74, 78, 62, 6E, 71, 2F, 00, 5C, 00, 20, 00, 22, 00, 8D, 76, 00, 55, 89, E5, 8B, 4D, 08, 8B, 55, 0C, 31, C0, 39, D0, 73, 08, 00, 04, 08, 40, 39, D0, 72, F8, C9, C3, 8D, 76, 00, 55, 89, E5, 8B, 4D, 08, 8B, 55, 0C, 31, C0, 39...
 
[+]

Entropy:
7.1615

Packer / compiler:
Video-Lan-Client

Code size:
32.5 KB (33,280 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


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