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msgr11us.exe

Yahoo! Messenger

The application msgr11us.exe has been detected as a potentially unwanted program by 3 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 yahoo-messenger.ar.1800download.com.
Product:
Yahoo! Messenger

Version:
1.0.0.0

MD5:
8aac488ff8fe06c0568becf8655f8421

SHA-1:
ea424dab677f9ad3e1ac14173449c17e45cdc549

SHA-256:
e8bf3d06e9678982ea422d5b92aed76a4eb9a5111fb7c2b05e625626145df915

Scanner detections:
3 / 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:
1/14/2025 11:15:59 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OpenCandy.A potentially unsafe application
8.0.319.0

McAfee
Program.Artemis!C40FC4A0A9DA
18.0.204.0

Reason Heuristics
PUP.OpenCandy.Installer (L)
16.2.28.14

File size:
408.1 KB (417,906 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\msgr11us.exe

File PE Metadata
Compilation timestamp:
5/20/2013 2:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:KiucV66WQYfKij9TgPHKLm47z+W+qnzPuJ2h5KQ+hR17snLrsAAQ/SoIpfn3X:KiuqW1vSa3tJYa5QR+nL4c/2f3X

Entry address:
0x331C

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8788

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file msgr11us.exe has been seen being distributed by the following URL.

http://yahoo-messenger.ar.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PTK1GR7ga5/ZtukkqzyqsGMxwd0EP0Xlbbn5NmG3g15eOHHZU6n WuAlyOBqxcKfAAmU yj BE20sni1mbaI svTyGlKqZ5ziVdIRinkGDU2nsQj7GyjBDfGB/9Ow4TrND0VKOBmPRNMOar9RHN6fczNNBBhhqPuAGJhao6x2 w/.../MX5mlpmfSea7z9Wz9Ke

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