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amsn-0.98.4-tcl85-windows-installer.exe

The application amsn-0.98.4-tcl85-windows-installer.exe has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from ufpr.dl.sourceforge.net and multiple other hosts.
MD5:
a6581f3db07feb79ab167a9bca686a41

SHA-1:
7587d552bb4f08cb1009d9c1ba4e79eef5aa9742

SHA-256:
28b279d526f255167766b4a16fbd7cdd98effc7ea30d7e214fb415d29c7a8bcb

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/24/2024 1:46:55 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
OpenCandy
2015.0.3272

Baidu Antivirus
Trojan.Win32.Agent
4.0.3.14122

ESET NOD32
Win32/OpenCandy
8.10262

Fortinet FortiGate
W32/OpenCandy
12/2/2014

G Data
NSIS.Application.OpenCandy
14.12.24

Malwarebytes
PUP.Optional.OpenCandy
v2014.12.02.12

File size:
18 MB (18,876,072 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\amsn-0.98.4-tcl85-windows-installer.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:Q6B+ON/g65dLEOwzHsK/zSu5GaT8T4t/1KPO54OsKC:v7N/gS4nj1wEt9D54B9

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file amsn-0.98.4-tcl85-windows-installer.exe has been seen being distributed by the following 4 URLs.

http://ufpr.dl.sourceforge.net/project/amsn/amsn/.../aMSN-0.98.4-tcl85-windows-installer.exe

http://downloads.sourceforge.net/project/amsn/amsn/.../aMSN-0.98.4-tcl85-windows-installer.exe

http://freefr.dl.sourceforge.net/project/amsn/amsn/.../aMSN-0.98.4-tcl85-windows-installer.exe

http://voxel.dl.sourceforge.net/project/amsn/amsn/.../aMSN-0.98.4-tcl85-windows-installer.exe

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