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download.exe

Gigabase

Fedorov Paul

The is the installer for the WebPick InstalleRex download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application download.exe by Fedorov Paul has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex installer. The file has been seen being downloaded from gigabase.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Kurs.ru, Inc.  (signed by Fedorov Paul)

Product:
Gigabase

Version:
1.2.0

MD5:
8fcf95e61b7cf0af4ecc4d2de225e838

SHA-1:
1c7bf43c86e622b9d2ed006a33c0f96d9980cfdf

SHA-256:
615c2b5bcc31ceb7a35b50ef89900d0fa00eda7210334eaa86842c31a6977428

Scanner detections:
5 / 68

Status:
Adware

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 9:46:37 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clod130.Trojan
1.3.0.4959

Dr.Web
Adware.Toolbar.209
9.0.1.0211

ESET NOD32
Win32/Toolbar.Neobar
8.10087

Malwarebytes
PUP.Optional.SweetPacks.A
v2014.07.30.07

Reason Heuristics
PUP.Bundler.WebPick
15.3.9.1

File size:
1.8 MB (1,895,536 bytes)

Product version:
1.2.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\downloads\download.exe

Digital Signature
Signed by:
Fedorov Paul

Authority:
Thawte, Inc.

Valid from:
8/28/2012 6:00:00 AM

Valid to:
8/29/2013 5:59:59 AM

Subject:
CN=Fedorov Paul, OU=Individual Developer, O=No Organization Affiliation, L=Saint-Petersburg, S=Saint-Petersburg, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
702D4055EE5CC734192DCBDFFE7AE8E1

File PE Metadata
Compilation timestamp:
2/19/2012 9:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
49152:IVh4cC5r5jXW8aCibI6yyI3T/MOQg/vfIDCyQTlx2:eWd5jXW8aCibI6Crb//4DCjRo

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

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

http://gigabase.info/.../download.exe

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

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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