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virtualdub 1.10.1-test14 downloader.exe

Freemium GmbH

The application virtualdub 1.10.1-test14 downloader.exe by Freemium GmbH 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 Covus installer. The file has been seen being downloaded from downloader.chip.de.
Publisher:
Freemium GmbH  (signed and verified)

MD5:
18252e84a2c181f4308896a633efd381

SHA-1:
5cf3d2a109166ec78577fd2ae04c51058d194dd7

SHA-256:
7288a2eae4eb7ca6cd8c613774977a02a9494fce681a2ce2ac42742472eae53a

Scanner detections:
1 / 68

Status:
Potentially unwanted

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 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:
12/25/2024 1:45:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Covus (M)
16.8.8.17

File size:
384 KB (393,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Covus (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\virtualdub 1.10.1-test14 downloader.exe

Digital Signature
Signed by:
Freemium GmbH

Authority:
GoDaddy.com, Inc.

Valid from:
12/29/2014 4:41:38 PM

Valid to:
12/29/2015 4:41:38 PM

Subject:
CN=Freemium GmbH, O=Freemium GmbH, L=Berlin, C=DE

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
00FEAC9D237F1C5C86

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:jQqHiD+Jg/kJunzgUJY5Kdw6sdb3FxBD0khk1pcRxXqH4vJBwUX7M75QFF8kvlQb:Nq+Sqn5sEblhYcRMEJBwUX7bmUQb

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file virtualdub 1.10.1-test14 downloader.exe has been seen being distributed by the following URL.

http://downloader.chip.de/thirdpartyproxy/.../downloader-covus_create.php?cid=40203

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