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skywalkersetup.exe

The application skywalkersetup.exe has been detected as a potentially unwanted program by 7 anti-malware 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 www5l.incredimail.com.
Version:
5.0.6.5

MD5:
d40c0d34f09e1d5a9903ebfb93970842

SHA-1:
d9fb04a709e4aa7c4883c24c7e99f2ebee9a7382

SHA-256:
da5ef019716c25c6acb9393177f349c0e01e3c7ed7e90a49ad9f15efe28ec4e1

Scanner detections:
7 / 68

Status:
Potentially unwanted

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

Analysis date:
12/26/2024 1:12:50 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
150717-0

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.gen2
4.6.5.141

Kaspersky
not-a-virus:WebToolbar.Win32.Perinet
15.0.0.562

Norman
Win32.Sality.3
02.04.2016 17:35:19

File size:
3.6 MB (3,739,136 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:Mnc0tTh7vxRWXyX9HaTg4yC1fZkmHQKw5T:CTh73WXyYTVBEH

Entry address:
0x30FA

Entry point:
30, F0, 8D, 35, BC, 55, 80, 9C, 8D, 05, 58, 5C, 15, 28, 8A, CD, 33, EB, 69, D3, 41, 78, D0, 3B, 3A, D7, 3B, F5, 78, 06, FE, C8, 48, 80, D0, 49, 81, D7, BE, B5, 53, 88, E8, 19, 00, 00, 00, 81, EA, ED, 16, CD, 96, 08, FA, 8A, FF, 81, C1, AF, E0, 00, 00, 0F, B6, EA, 81, C1, 9A, 0D, 00, 00, 0F, CB, 8A, EA, F6, C2, DF, 56, C7, C5, E8, 8E, 03, 14, 5A, C7, C6, 2D, 82, F7, B4, 58, 12, F2, 0F, BF, FE, 80, E5, 71, FF, C1, EB, 04, 08, C9, 88, E1, 68, 18, FF, FF, FF, 59, 81, C1, 1E, 0A, 00, 00, 8B, F9, C6, C5, 1D, 81...
 
[+]

Entropy:
7.9967  (probably packed)

Code size:
23.5 KB (24,064 bytes)

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

http://www5l.incredimail.com/incredibar/skywalker/update_tail/Unified/.../SkywalkerSetup.exe

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