mmd-dupfinder.exe

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mmd-dupfinder.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 5 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. The file has been seen being downloaded from www.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
9d7fa59670a699a6eb5f796d161dbbdf

SHA-1:
291fa5814c90456326a075128afc0ba76352139b

SHA-256:
5d33814dbcc2a48ba62e26d5173aaefc55214ad56bf8e7168c7524bbe977a7fb

Scanner detections:
5 / 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.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/23/2024 4:34:50 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160518-2

Dr.Web
Trojan.Packed.32835
9.0.1.05190

ESET NOD32
Win32/InstallCore.DC potentially unwanted application
8.0.319.0

Reason Heuristics
PUP.installCore.UpdateSt (M)
16.7.27.3

VIPRE Antivirus
Threat.4150696
50674

File size:
607.3 KB (621,856 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\mmd-dupfinder.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/2/2013 12:00:00 AM

Valid to:
1/2/2016 11:59:59 PM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009ED227324380B40DDE36C8D31A33831F

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:+yMJfsGnpV1QXzsgbJ5irP2pef3JLsa0z6wRGzgm+bi1vLU:+yMJfsSv1QXpCrP2ps3tb0uGwEbi1vL

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8375

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

Code size:
36 KB (36,864 bytes)

The file mmd-dupfinder.exe has been seen being distributed by the following URL.

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