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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 d2b9tt3o3tz5xd.cloudfront.net.
Product:
SilentInstaller

Version:
1.0.0.1

MD5:
2fd13b2021abb9fdb0758c6cda60db5f

SHA-1:
8b7f7a37d7980feea2a00967efed6bc9e96d425c

SHA-256:
be4caf00081e47db124d51cbae232d8a2d32aef444e2c6179eb9dec9e7c7d50a

Scanner detections:
14 / 68

Status:
Malware

Analysis date:
1/12/2025 10:41:49 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Virtob.Gen.12
5691347

avast!
Win32:Vitro
160121-0

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.AI!Generic
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
1.213.3536.0

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

Sophos
Virus 'W32/Scribble-B'
5.22

VIPRE Antivirus
Threat.4120919
46624

File size:
330 KB (337,920 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:
1/22/2016 9:45:19 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:xlDZFZT8qbTR7SquD4L8vioH/X8i9DLnHWcefjVo8bS5VnPg2IA2LB+2f:/DTZwgVxGq86oH/MKvnolgnoNAgLf

Entry address:
0x55F94

Entry point:
E8, 06, 00, 00, 00, F6, D7, F6, D7, FC, F8, 60, 8D, 3B, 90, F7, D7, 8B, DC, 8D, 88, 4D, 16, 58, 3F, 80, C2, 1E, 68, BE, F3, 44, 00, E9, 77, 02, 00, 00, B5, 79, 8D, 88, 67, C5, 1E, E1, 21, DA, BA, AA, D8, 96, B2, 83, C4, 20, C3, B5, 10, 8D, 8A, 68, E2, A5, E0, 8D, 54, 24, 04, 33, C0, 8B, CC, 68, 01, 00, 04, 00, E9, E1, 02, 00, 00, 98, 0F, 85, DD, 00, 00, 00, 96, 19, C8, 33, C0, F5, CD, 2E, F9, 81, DA, 5D, 85, A2, 5C, 83, DE, 6E, 64, 87, 05, 34, 00, 00, 00, E9, B1, 00, 00, 00, 41, 6C, 70, 48, 00, FC, 39, FA...
 
[+]

Code size:
309 KB (316,416 bytes)

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

http://d2b9tt3o3tz5xd.cloudfront.net/SilentInstaller_dotnet2.exe

Remove SilentInstaller_dotnet2.exe - Powered by Reason Core Security
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