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free+computer+cleaner_1.0.exe

Covus Freemium GmbH

The application free+computer+cleaner_1.0.exe by Covus Freemium GmbH has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Covus installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from downloadguidefactory.blob.core.windows.net and multiple other hosts.
Publisher:
Covus Freemium GmbH  (signed and verified)

MD5:
8b196d99dd1b85907c5b8fa003d36cc1

SHA-1:
67c955b5a6fef22b640340bad785f379198ec87b

SHA-256:
524566fb7c98f52522afba62f47ef47e4f3d6d50f1dd03ac38e2602269a372a0

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
Includes bundled offers in the installer/download manager that include adware components such as Best-markit, and Search Protect (ClientConnect).

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:
4/26/2024 8:57:47 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.OutBrowse
2015.0.3505

ESET NOD32
Win32/DownloadGuide (variant)
8.9619

G Data
Win32.Application.DownloadGuide
14.4.24

herdProtect (fuzzy)
variant of jpgtopdf_setup.exe (Adware)
2014.5.10.9

Malwarebytes
PUP.Optional.Breitschopp
v2014.04.14.07

McAfee
Artemis!96A98ABC677D
5600.7135

Trend Micro House Call
TROJ_GEN.F47V0325
7.2.130

VIPRE Antivirus
DownloadGuide
27914

File size:
440.9 KB (451,488 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Covus

Language:
English (United States)

Common path:
C:\users\{user}\downloads\free+computer+cleaner_1.0.exe

Digital Signature
Signed by:
Covus Freemium GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/28/2013 1:21:57 AM

Valid to:
1/29/2015 1:21:57 AM

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

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11211DBCB8A07ED407612FC406EFD259BE29

File PE Metadata
Compilation timestamp:
3/19/2014 5:54:51 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:NK+ya4E7C+G5ESEpQIRuUW56ZhXQHnC0Qk1720EIvF6GH8VPflPrGGukM/+T4reO:MDHIsYyHnC05tuVX1pELF

Entry address:
0x19536

Entry point:
E8, 9E, 48, 00, 00, E9, 89, FE, FF, FF, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, AC, 6D, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0...
 
[+]

Entropy:
6.9608

Code size:
144 KB (147,456 bytes)

The file free+computer+cleaner_1.0.exe has been seen being distributed by the following 3 URLs.

https://downloadguidefactory.blob.core.windows.net/downloadguides/.../free computer cleaner_1.0.exe

https://downloadguidefactory.blob.core.windows.net/downloadguides/.../free computer cleaner_1.0.exe

http://freemium.com/free-computer-cleaner/.../

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