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icreinstall_adblock plus 1.exe

Program Web

Ringier Axel Springer Polska 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_adblock plus 1.exe, “Program Web Setup ” by Ringier Axel Springer Polska 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from cdn.komputerswiatplbodycontent.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Installer Soft internet   (signed by Ringier Axel Springer Polska Sp z o.o.)

Product:
Program Web

Description:
Program Web Setup

MD5:
4180726922e506d0ac962e4f7e1d9276

SHA-1:
550c7877b87b5de1f33b9ddd868c6dead056bad8

SHA-256:
165ae483ba0cfcf4938d8e538468f5bbfca978956fb40c4922df112d17065df5

Scanner detections:
1 / 68

Status:
Adware

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

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:
1/13/2025 1:36:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.RingierA.Installer (M)
16.3.21.0

File size:
797.9 KB (817,088 bytes)

Product version:
2.7

Copyright:
Software

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_adblock plus 1.exe

Digital Signature
Signed by:
Ringier Axel Springer Polska Sp z o.o.

Authority:
GlobalSign nv-sa

Valid from:
6/22/2015 4:10:32 PM

Valid to:
6/22/2016 4:10:32 PM

Subject:
CN=Ringier Axel Springer Polska Sp z o.o., O=Ringier Axel Springer Polska Sp z o.o., L=Warszawa, C=PL

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

Serial number:
1121832C27A31DB1D4E5501E1DDDFAD5E7BE

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:NGtG0PgRbdlecn26j2o+sKCDWx6G3crcaM6K2mDrKp2TexSI1GSpEpm6ZusfwT2o:NGtr4RZl5CmhWx6GMIaen69RWpBj8NTb

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_adblock plus 1.exe has been seen being distributed by the following 2 URLs.

http://cdn.komputerswiatplbodycontent.com/c?x=pSnq9VuOUryyMzcUo94H4GUle7yVKE L /0C9/g4dH8=&c=TJf5Q7ya9SiiPjaECeWlwYSRLBK4Q1LLoAu6g7TGaZ/cpR2m2th9z23rzRDZqkQ RVliIm6ZtlFGtSZnlclmS1kWqG3pk5M5q sFshFfrpQi3Dkixg0Wn/F8yFFzvrWhJy4t64IPaSj56AN8ifsRfw==&fallback_url=http://files-download.komputerswiat.pl/InternetISieci/DodatkiDoPrzegladarek/.../adblockplusie.exe

http://cdn.komputerswiatplbodycontent.com/c?x=8553BinslAq9reDzhfjlfxJaQyC P0tZkrmsfI0D3Eo=&c=58roweKdWG1hNvQgaypeEdvgAD09szguR kHx6zpkO9yyWlQwBQp/iYyZlqnZ IkLm4I8xHg/XIRNLDgKLmVoOqG/IEdRV6LUwmDT/REIpB9HRkz OxfIFYDJLGQvA7d7kkv0hF7/XsCe/7uWZcomQ==&fallback_url=http://files-download.komputerswiat.pl/InternetISieci/DodatkiDoPrzegladarek/.../adblockplusie.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)

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