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icreinstall_opera-12614-dp.exe

Internet

dobreprogramy sp. z o.o.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_opera-12614-dp.exe, “Internet Setup ” by dobreprogramy sp. z o.o has been detected as adware 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 installCore installer. The file has been seen being downloaded from cdn.perkyfilesqueue.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Internet program   (signed by dobreprogramy sp. z o.o.)

Product:
Internet

Description:
Internet Setup

MD5:
95c3e732afee69652d023d9cd139fa00

SHA-1:
17e6e11e2a614c60994627ca268c08c8e655bb62

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
12/26/2024 8:21:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.dobreprogramyspzoo.Installer (M)
15.12.27.13

File size:
847.3 KB (867,648 bytes)

Product version:
1.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\icreinstall_opera-12614-dp.exe

Digital Signature
Signed by:
dobreprogramy sp. z o.o.

Authority:
thawte, Inc.

Valid from:
2/25/2015 1:00:00 AM

Valid to:
2/26/2016 12:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., OU=IT, O=dobreprogramy sp. z o.o., L=Wroclaw, S=Dolnoslaskie, C=PL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
04CCACE3AEB4566AFA610407D3C9D967

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:XR/GM3RJHMelG4WBpDsmPYs5PYuI6duWQhYfDHfdzqDESgiocglpfwT2+pHTEM:XR/jR+eUZjJYi7Q8DHfIDESxo5l58NTt

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file icreinstall_opera-12614-dp.exe has been seen being distributed by the following 2 URLs.

http://cdn.perkyfilesqueue.com/c?x=h2R407vuQbVl/WIc5soYYIgMY 6CsLIz8Lrerj4JdoY=&c=bD9vr7IWut5VfG/OWZb/BYEqrPv/h2Wr0t/b 4nJBLb9fwQ PkivLMNWiUB0vRrLdEIZ6nP/JzHTw9olN 8zdK8IofyXsfXh6V1qyj/EEHEr7/r8BedXdrJUF95g30mUF15Y3brZE3x3W122T5FGUg==&fallback_url=http://get.geo.opera.com/pub/opera/desktop/31.0.1889.174/.../Opera_31.0.1889.174_Setup.exe&downloadAs=Opera-12614-dp.exe

http://cdn.completefilescenter.com/c?x=SuW6/E pajWKULC2yDjK b00Owc58QLXcFENF3mm60s=&c=iAfEqouer2uW3x2r43E2b4wUoli5Ln8TVV6gd8yRR ImSCWVnmpcy1LOlIBelFtZleyVmuecBhPRBT0TeUxIsRzsPImfSo1IQtkGk2lToe0dBOi2Msr22w6a0goKwXiKVSzTWQI4nDBNvx9O3W84IA==&fallback_url=http://get.geo.opera.com/pub/opera/desktop/31.0.1889.174/.../Opera_31.0.1889.174_Setup.exe&downloadAs=Opera-12614-dp.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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