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icreinstall_gimp-13219-dp.exe

Internet installer

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_gimp-13219-dp.exe, “Internet installer 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.laboratorycontentsafe.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Web Installer generic   (signed by dobreprogramy sp. z o.o.)

Product:
Internet installer

Description:
Internet installer Setup

MD5:
dbd1fe703b40ae6e61ebb7627ff42411

SHA-1:
9ef7f38c0bd6b8abc312a65a579f3c17cf2edf92

SHA-256:
58aebbcf0c2b95a001e4d0f19aa6d11f3b278e4c8a3ff71d9b0b0c8e17a71213

Scanner detections:
1 / 68

Status:
Adware

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

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 12:33:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.dobrepro.Installer (M)
16.3.13.4

File size:
846.4 KB (866,744 bytes)

Product version:
2.0.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_gimp-13219-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):
24576:/EIue+LAYj8URLR+lhbRCUKwSsid8GVMdvBGx8NTWC:/TyLAYrRLWRCUBSBVMdvh6C

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_gimp-13219-dp.exe has been seen being distributed by the following 2 URLs.

http://www.laboratorycontentsafe.com/c?x=sskCabMdhBnEunen3CQPxh8VypZkWZLRAP4LSuMy69A=&c=p8Qw8ziFgPJvc/sxT3qoDhFUyMfrZBVoAvA9zxcHZ9Ujc9XaFboRpaV/IUQviWJGRo7mGfSu1I9Q7KJwmwefb2oN239RlEZEzyT8pYP46p KQ8C0oRDk5hEvFvVaqaj9dyoJRRgaCka751mUO1g3naXdzPjony1w80ZIUu9cA3w=&fallback_url=http://storage.dobreprogramy.pl/.../gimp-2.8.14-setup-1.exe&downloadAs=GIMP-13219-dp.exe

http://cdn.dobreprogramypltourcontent.com/c?x=gNu0XCai/3sW7cq7srJyxcCWSBjPPXSIOmufq1QQt8M=&c=3hEQKORT5YnpivZ8Z5NYx5E1/3xYgR8X9Dh/jmt8GLamVFjVdgGbIddssCAa5aF 8FJZnQp8Ox/ EUqhFoGppyhF1M2vfQ2Asdi 040Sf6S9UTUT8I9ZcIolRMcJpr3TtgZSzir 477k5vVNcLl50DeZ7bYSTrM0wiVRl1dLWas=&fallback_url=http://storage.dobreprogramy.pl/.../gimp-2.8.14-setup-1.exe&downloadAs=GIMP-13219-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)

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