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msgr11us.exe

Yahoo! Messenger

RICH MEDIA SYSTEMS INC.

The application msgr11us.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program by 17 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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.1800download.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Yahoo! Messenger

Version:
1.0.0.0

MD5:
4addcecbb312b5e2710226f3dc0b59fc

SHA-1:
f5a32dcc2077af8ca849097f9f792ccbeff5b7ec

SHA-256:
e705078d693c25117c3cb34dc252faa255bfb6ae5d10ba7188ba41d230e7e068

Scanner detections:
17 / 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:
1/13/2025 7:23:46 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
OpenCandy
2016.0.3104

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15520

Clam AntiVirus
Win.Trojan.Agent-855157
0.98/21511

Dr.Web
Adware.Downware.10304
9.0.1.0140

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11613

Fortinet FortiGate
Riskware/OpenCandy
5/20/2015

G Data
Win32.Adware.OpenCandy
15.5.25

K7 AntiVirus
Trojan
13.203.15877

Malwarebytes
PUP.Optional.OpenCandy
v2015.05.20.09

McAfee
Artemis!4ADDCECBB312
5600.6760

NANO AntiVirus
Riskware.Win32.Downloader.dqybkl
0.30.24.1357

Panda Antivirus
PUP/OpenCandy
15.05.20.09

Reason Heuristics
PUP.Installer.RICHMEDIASYSTEMS
15.5.20.9

Sophos
OpenCandy
4.98

Trend Micro House Call
Suspicious_GEN.F47V0413
7.2.140

VIPRE Antivirus
Sevas-S Installer
40164

File size:
415.7 KB (425,640 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/16/2015 4:00:00 PM

Valid to:
2/17/2016 3:59:59 PM

Subject:
CN=RICH MEDIA SYSTEMS INC., O=RICH MEDIA SYSTEMS INC., L=HENDERSON, S=Nevada, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3F87144C25AF8BCF29F29C5A1FEEF4BA

File PE Metadata
Compilation timestamp:
5/19/2013 4:53:00 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:tiuqWSGTmoOG0Y7afUW84T12U0PHTeqpqUG6uUG0Y:XqWSJRRYOUWd12U0PH6cG6uU+

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:
7.8816

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 5 URLs.

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmV89fDKjEgqkOYCGp h152T8qHoviIxMLEaiK6WpdyauyxdSNGmeTqHnQfdi0bI5zseZBQWT/Sr9C078 3G9geeO7cvT0mlMq4d32gsWCzHkGDU2nsUj7H2lBjfMAq5Xi83jPSUCbqs5bBIMOb2uDy5tc43EJBEwj6L2GWUve4/gkbRhHGL5uF/FjvZpAZC YsntZXNWzYX5D JnlRwf/4nvhhvyb6p/.../QI8Bv47 ASX7uNKamykqdf8SHdtiJCJ286HyQ000zAS7lNdHGT6nX1nhqNnuwQU3PHDBvWoTz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmV89fDKlEgq2JM7Y9uk353f/sGMxwdkEPxikerC/NXS20hMBbDfTXKq1E/Y9wLNynZ/JFQfS9S3yHkX0qnD8gfTRpMuMyCAL/cR5xhceRn3kAD9wntFgr3OlBX7EFf8fnZm2YnUVY/o4KRIdZue3DzgqasWXLBomjqjlGychfIX5kucxBHvs6waajvQvDpO/.../MW5RnzptIOb2SYjbaQDHNAvMjwptei1FB9kjBWi3J5OFSbzUFKv98 m1QRmNHDOqm8Sz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PTK1HR7ga5/Zs kkuC2 yon2dBXJ0bjarL9NnG xFJTcWmPEfvkQeElyOBqxc6WRAaV9T2uVRqiqnD8gfTTpMuF0jQJoJR1wEsXHCO1AX1/l8k7p3KuSGjaSr5W2sTiJTxEYrs4PVxLIaS0XHt1as/cLVgoj6v2VH9xao6x2 s/HGu4t1/Pm 1nR5i/.../tjxkNBss n1O7ZKt1nT7yWowdspbyBju1oZrTkC0lbaQKFNxiZmJ 5aHkSEQ221Si3J5OECbzRlSnsZGnzQovLHvBvWgXz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv U8/zOh/jwnickFbk3lYqn5OWG3g15bOHHVQr21E/Y9wbNyx8WPDE b/i/yHhKu zvj2ryU7IXKmiBBoJA6kRwTDCn4F2Mg14B8oHyvGHGSA7ZfwtWnbmMVY/.../HDT55RjOnbovGsf1JdClLHta1dPoVal93UgH5tH3jFz6ZqNwkiquAsQe5MSxUTqw54ObwyYhb70AT4Y3KztnounkFxtrnBei3J5OECbzRlSnsZGnzQovLHvBvWgXz9Ke

http://yahoo-messenger.ar.1800download.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsnV0kNj2iGhvga5/ZtukkrjyqsGMrwdoGJgTtabv2LSflgxQEYyrJWbW1E/Y9wrxq1o/MX1PO4nKtTwWi5izqyefa7dPcm3Ed MllkV4BXnelACwo15Rr/yq/GX3MCOlOw4TrND0VLuBmPRNMOan9RHh9fcvOIQkpz6vnGDR8IdHg2q4/.../O IWB5Y2enUhuvCiGwhqzRy23c8RW2y4RFjhqMPuxgsnN3HCum4S3dKe

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