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vso_downloader_setup.exe

Ruh

The application vso_downloader_setup.exe, “Ruh Setup ” has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Product:
Ruh

Description:
Ruh Setup

Version:
4.7.4.5

MD5:
4f515b4ae501d2ff3c794d0ce082307f

SHA-1:
b7c28dbec107776c3167c34713f62b8c055d6b78

SHA-256:
3306a8a0f7714985183c4c780c0d5a570eea036cabbfa97ba8b69b1a2ca27919

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
11/5/2024 1:42:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE11 (M)
16.5.19.11

File size:
931.2 KB (953,502 bytes)

Product version:
1.8

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

File PE Metadata
Compilation timestamp:
6/20/1992 3:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:KSvzp6ut7ktFyt/Pm+j6MHm67lVEkotrrzsskes1YnY1+0u:K+cutiyt/P36MHmpZXRkt1YY1+1

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://vso-downloader.software.informer.com/.../

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