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mkvcodec_setup.exe

Installer Web software

Safe Software (Rspark LLC)

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mkvcodec_setup.exe, “Installer Web software Setup ” by Safe Software (Rspark) has been detected as adware 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 installCore installer. It is also typically executed from the user's temporary directory.
Publisher:
Web Program   (signed by Safe Software (Rspark LLC))

Product:
Installer Web software

Description:
Installer Web software Setup

Version:
4.2.5.5

MD5:
cdca7e0d4249d381d1b58e2cb0f9c699

SHA-1:
54ab9040f7f001b65cf49c30f3402090f9379d8f

SHA-256:
3828ca1344a0c678580f10a8a3e9607c1468d1e3df332974d1d6e1ef45a4a3ba

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/27/2024 12:27:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.installCore.Installer (M)
16.6.12.14

File size:
764.2 KB (782,496 bytes)

Product version:
1.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\mkvcodec_setup.exe

Digital Signature
Signed by:
Safe Software (Rspark LLC)

Authority:
COMODO CA Limited

Valid from:
4/9/2015 2:00:00 AM

Valid to:
4/9/2016 1:59:59 AM

Subject:
CN=Safe Software (Rspark LLC), O=Safe Software (Rspark LLC), STREET=2929 1st Avenue, STREET=405, L=Seattle, S=WA, PostalCode=98121, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00D4CDAA12244A6EC293F8F62F4DB75C2D

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:OGnHpSVtwtBmtIM5nAdz/h2+jZ75UP8GoMuE4Cj9Xf3iJnFYf1gwNALu1FfE7+1r:OWHwVtwtOrAdz/hRjzpEYFYfA0E7mriE

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...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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