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riot-plugin.exe

The application riot-plugin.exe has been detected as a potentially unwanted program by 5 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 luci.criosweb.ro and multiple other hosts.
MD5:
87e30be3a115b7480e5250b9525fc4d1

SHA-1:
ddca810a128a0eb61f238b40b16fd76b799d1804

SHA-256:
e119f3eef371eea981b7fdd1217a03aae4c3fb3e6d804d1253f75d6962b67fcf

Scanner detections:
5 / 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 11:16:40 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OpenCandy
8.9249

K7 AntiVirus
Trojan
13.175.10735

Malwarebytes
PUP.Optional.OpenCandy
v2014.01.19.02

Sophos
Generic PUA NN
4.96

VIPRE Antivirus
Opencandy
25070

File size:
1.5 MB (1,546,169 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\riot-plugin.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:bOpbhuC1FNn6gy15ZI7nHzkF64BzP2h4wkmsy0LLRjA2omewFQXVgyvgbJJHLd9A:bOlh3+g4Q7TkF6412LZ0BbeKvUw3K/

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9638

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file riot-plugin.exe has been seen being distributed by the following 2 URLs.

http://luci.criosweb.ro/.../Riot-plugin.exe

https://doc-0c-5s-docsviewer.googleusercontent.com/viewer/securedownload/1ecbi5atoi2t6eg1caoptratg748prp5/umfh3h3bv08b1a91rj7esang8s7e369l/1350843300000/dXJs/.../aHR0cDovL3JlZ2lzdHJ5LmdpbXAub3JnL2ZpbGVzL1Jpb3QtcGx1Z2luLnppcA==?sec=AHSqidYeheqDXZCWu8wm9k8gbY43bBUwgRBckEAj6oc8Nzt288r3RHegK_5yuzX9XBSFPQKTAvNy&a=dl&filename=Riot-plugin.zip&rel=zip;z1;Riot-plugin.exe&nonce=o2vll003vvkue&user=AGZ5hq8evQwIyWk-woVZJAKnkRui&hash=6jisdosg5fnoib8jep46t6ud3jsbuf7g

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