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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 16 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.ar.1800download.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Yahoo! Messenger

Version:
1.0.0.0

MD5:
4ab3a2c4d7eed382ad5b0ecf39fff9fa

SHA-1:
bfa7d8da4cff0211ae4dace9700c0f6f99129039

SHA-256:
4ed9b75ba56792bcf5de42afa63531cb930ca980f6b08a9d9fa9575992b15487

Scanner detections:
16 / 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:
12/26/2024 1:16:50 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Bundler
2015.04.13

AVG
OpenCandy
2016.0.3134

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.15420

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

Dr.Web
Adware.Downware.10304
9.0.1.0110

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11462

G Data
Win32.Adware.OpenCandy
15.4.25

K7 AntiVirus
Trojan
13.202.15567

Malwarebytes
PUP.Optional.OpenCandy
v2015.04.20.10

McAfee
Artemis!4AB3A2C4D7EE
5600.6790

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.RICHMEDIASYSTEMS
15.5.8.23

Trend Micro House Call
Suspicious_GEN.F47V0401
7.2.110

VIPRE Antivirus
Trojan.Win32.Generic
39276

ViRobot
Adware.Agent.425744[h]
2014.3.20.0

File size:
415.8 KB (425,744 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 12:00:00 AM

Valid to:
2/17/2016 11:59:59 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:
5/20/2013 12:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:biuqWP++OltdkgqL3JxzaHo+g3gZaSqq+:VqWP++2id7JxOIhQZaS4

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:
7.8818

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.ar.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PTK1HR7ga5/ZtukkrjyqsGMrwdoGJgTta7HuZiro0l8bOGGGCeqkCr50ybtq1oLZFQfS9S7yHkflszi1jf/D 5GYyCEes55piVRGVn6iCTp0k8YivSH UHHPGeAJ2syiPTYFYqtvbE9NMq6yFWQqMJvcLVgojaHuAHJ8O8WugKRwTDWouRnFnfpmFtvsKJ3xciwJnILoQ75x3Q8eroL h0q N/.../44JDjzR1iZyyQ5y1Xz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsnV0kNj2iGhvga5/Zs kkuC2 yon2dBXJ0bjarP6P3q xFZTcWmOEfv4W6c8gLNnztTaXlLFoGi7Hk20sni1mbaI svTyGlKqZ5ziVdIRjLjGDU2nsIj7CroUSCTRrZOnpi9Y2JFerJxJRoFIarxRHE8cs/OLAl21eKkTndsPceuw Z2BGi/uEiGzaczW4/.../rBQfh sOw1QRmNHDOqmkXz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/.../Zsekkuzyi93p5iNEPL031NfirfXK9hRdGZyvZCeLkErY90f85kNSWRAaX9T36DkPyuHytgLbbrdPKyDofs55ziVdIRnWkGDU2nsUj7H6yGjrbFa5Xkc3gMzUPbr8xJxgPOOz9VHBtJ43cLVgoi6v2VX97LNq1kv8 TWO5uEiMxat D8u3ccqlLHte1dP5Wfsv3BcU55r8n1O7ZKt1nT7yWowdspbyBju1oZrTkC0lbaQKFNxiZmJ 5aHkSEQ221Si3J5OFSbzUFKv98 m1QRmNHDOqm8Sz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPDu1E1v4ZtbB4Kt2tCersGMrwdoKL0/larn7PXe3g15bOHHKQr21E/Y9xbNyxsSYAgyW7SS7BkT9qj/7mf6SpNjSg2JZqtY6h19QAi/7Xyx 18ko/CHoByDOAr1djYT/.../HD3j8RqTzbYpRs6ve4GkbnRWzYjsRbZ7gkBArsuo0w tLLh 1CalCd0et5OpSCDjspmb2SYjbaQDHNAvMjwptei1FB9kjBWi3J5OFSbzUFKv98 m1QRmNHDOqm8Sz9Ke

http://yahoo-messenger.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PTK1HR7ga5/ZtukkqzyqsGMxwd0EP0Xlbb78OGG3g15cOHHaQrXyCr50ybhiztTARFvT/.../4O h1n9ZLg8xnT5XNIAu4T4Fie 5tOCkW8qYbxREMx9YD12oun FxtljBG53t5DEizqRQfxqYiggx0ufXjFsngVz9Ke

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