winpcap_4_1_3.exe

WinPcap 4.1.3

Riverbed Technology, Inc.

The executable winpcap_4_1_3.exe, “WinPcap 4.1.3 installer” has been detected as malware by 8 anti-virus scanners. The program is a setup application that uses the Nullsoft Scriptable Install System installer, however the file is not signed with an authenticode signature from a trusted source. Infected by an entry-point obscuring polymorphic file infector which will create a peer-to-peer botnet and receives URLs of additional files to download. The file has been seen being downloaded from www.winpcap.org.
Publisher:
Riverbed Technology, Inc.

Product:
WinPcap 4.1.3

Description:
WinPcap 4.1.3 installer

Version:
4.1.0.2980

MD5:
5e27bbbf6fbad489a9378d07572953c5

SHA-1:
b8e412b49e3cfcda76c93df8108cedd19004691d

SHA-256:
a1971a458b555b4deee33ab6ae5c5d52a4cd5b5a4a4770e524b08dea641c74c2

Scanner detections:
8 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/26/2024 7:30:12 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160518-2

Dr.Web
Win32.Sector.30
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
11.5.0.6191

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.E.gen
4.6.5.141

Kaspersky
Virus.Win32.Sality
15.0.0.562

Microsoft Security Essentials
Threat.Undefined
1.223.2587.0

Norman
Win32.Sality.3
22.05.2016 07:18:28

File size:
973.7 KB (997,048 bytes)

Copyright:
© 2005 - 2013 Riverbed Technology, Inc.

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

Common path:
C:\users\{user}\downloads\winpcap_4_1_3.exe

File PE Metadata
Compilation timestamp:
12/6/2009 2:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:skSmOldyR6ORWsaM2QROxa6jsqUENfJjNK/CG6niqiL:RSmKzqWsayROxa6QDENuaG+ifL

Entry address:
0x30FA

Entry point:
40, 74, 04, 8B, C7, 84, E1, 24, 83, 0A, D8, 84, CC, 0F, BF, C0, FE, CF, 40, 3B, F0, 77, 06, 81, D9, D0, C3, 11, B4, 8B, D0, B1, 79, 88, F6, 8A, EA, 86, E5, E8, 00, 00, 00, 00, 5F, 8D, 05, CC, B1, 68, FD, 8A, CE, F6, C6, FE, F2, C7, C3, 84, 6F, 62, FF, 38, C2, 0F, AF, C1, EB, 0A, 85, C1, 8D, 2D, 70, F9, 57, 68, 8B, EB, 0F, AF, EB, 38, F0, 0F, AF, C0, 0F, BF, E9, F7, C7, 8F, 2A, 88, 1E, 0F, AF, EE, F7, C6, 1C, 5B, 35, 9E, 45, 8B, E9, 83, E0, 00, 8D, 2D, 55, 31, C4, AF, 85, D5, 0B, EB, 2D, 77, C9, 02, 00, 81...
 
[+]

Entropy:
7.9827  (probably packed)

Code size:
23.5 KB (24,064 bytes)

The file winpcap_4_1_3.exe has been seen being distributed by the following URL.

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