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SilentInstaller_dotnet2.exe

SilentInstaller

The executable SilentInstaller_dotnet2.exe has been detected as malware by 14 anti-virus scanners. This is a self-extracting archive and installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from d2mpbwrp31zr73.cloudfront.net.
Product:
SilentInstaller

Version:
1.0.0.1

MD5:
445d1e0a555d67f30d3bb74945b53015

SHA-1:
4afd61a1aed53eb6d29ae94fa736c70a11bea58f

SHA-256:
2e402d1a01a6aedd4cab208efd808d378c19e1d3307d3902c2c69de18bd0a841

Scanner detections:
14 / 68

Status:
Malware

Analysis date:
4/28/2024 12:07:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Virtob.Gen.12
5813571

avast!
Win32:Virtu-A
160118-1

AVG
Win32/Virut
2015.0.4489

Dr.Web
Win32.Virut.56
9.0.1.05190

Emsisoft Anti-Malware
Win32.Virtob.Gen.12
10.0.0.5366

ESET NOD32
Win32/Virut.NBP virus
7.0.302.0

F-Prot
W32/Virut.E.gen
4.6.5.141

F-Secure
Win32.Virtob.Gen.12
5.15.21

Kaspersky
Virus.Win32.Virut
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.4955.0

Norman
Win32.Virtob.Gen.12
11.01.2016 17:30:26

Sophos
Virus 'W32/Scribble-B'
5.22

VIPRE Antivirus
Threat.4737366
46444

File size:
340.5 KB (348,672 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2014

Original file name:
SilentInstaller_dotnet2.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\silentinstaller_dotnet2.exe

File PE Metadata
Compilation timestamp:
9/8/1997 8:57:04 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:XTDZFZT8qbTR7SquD4L8vioH/X8i9DLnHWcefjVo8bS5VsPgUxCtLvkp:DDTZwgVxGq86oH/MKvnolgsouCZv

Entry address:
0x58A45

Entry point:
83, 3C, 24, FE, 77, FE, 8D, 3F, 8D, 64, 24, CC, 09, ED, 60, B3, 84, 83, EC, DC, E8, BF, 00, 00, 00, 4B, 66, 4B, 75, FC, 42, 24, FF, 46, FF, 73, 3C, F9, 59, 81, E9, FD, FF, FF, 7F, 73, EA, FC, 90, F7, D0, 81, D9, E6, 13, 00, 00, 71, DE, 86, D2, 48, 4A, 92, FF, B4, 19, E4, 13, 00, 80, 08, FA, 4A, 29, FE, 2D, 6C, E2, C3, DD, 4A, 83, C4, 04, 8D, B2, 6B, CD, F1, 27, 66, 81, 44, 24, FC, B0, BA, 75, B5, 80, EC, 0E, 40, 8A, CF, B1, 01, FE, C0, 68, 74, 6A, 90, 36, E8, 7E, 00, 00, 00, 89, 74, 24, 44, 47, E8, E4, FE...
 
[+]

Entropy:
7.8946  (probably packed)

Code size:
309 KB (316,416 bytes)

The file SilentInstaller_dotnet2.exe has been seen being distributed by the following URL.

http://d2mpbwrp31zr73.cloudfront.net/SilentInstaller_dotnet2.exe

Remove SilentInstaller_dotnet2.exe - Powered by Reason Core Security
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