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icreinstall_mkvplayersetup.exe

Safe Software

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_mkvplayersetup.exe by Safe Software has been detected as adware by 4 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from software-files-a.cnet.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Safe Software  (signed and verified)

MD5:
97e4fc9e82dd72ccc81821b9798b3500

SHA-1:
fa61424cac74d58d8171d879f7f3e3e730b92110

SHA-256:
b24dc4b7c725e4b5c83b3f6e05e01a6f3f15bae8e1508f6d69c854bf0543d7b2

Scanner detections:
4 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/15/2024 3:36:15 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3287

Dr.Web
Trojan.MulDrop5.38104
9.0.1.05190

ESET NOD32
Win32/InstallCore.RA (variant)
8.10739

Reason Heuristics
Threat.Bundler.SafeSoftware
15.4.11.23

File size:
773.4 KB (791,920 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_mkvplayersetup.exe

Digital Signature
Signed by:
Safe Software

Authority:
DigiCert Inc

Valid from:
10/28/2014 5:00:00 PM

Valid to:
11/3/2015 4:00:00 AM

Subject:
CN=Safe Software, O=Safe Software, L=Seattle, S=Washington, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
023BE808DC0B03F81EE92F5AE8266447

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:WQE6FIOyYqhuYwoi3qajmt4kRWcTwMgSxi8y:WvIVreNfi6ikRVvxU

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, BF, A9, FF, FF, E8, 5E, 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...
 
[+]

Entropy:
7.8419

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

Code size:
37 KB (37,888 bytes)

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

http://software-files-a.cnet.com/s/software/13/91/22/.../mkvplayersetup.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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