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karafun-dp.exe

Software

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application karafun-dp.exe, “Software 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.dobreprogramydownloads.com.
Publisher:
Generic internet   (signed by dobreprogramy sp. z o.o.)

Product:
Software

Description:
Software Setup

MD5:
2f074602871425a813b594a9543d4ddc

SHA-1:
8bea1256044dc8b1a26461aef25f88818fc1ca8e

SHA-256:
ece0e84fde5d0126b58ddb632401454807aa3eb77e4004ba264adb2d54b9f0ac

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/25/2024 12:17:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.7.11

File size:
720.9 KB (738,232 bytes)

Product version:
2.0.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\karafun-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:BDLGlCIuFubzhLpUuwweHLGwuDDG1XYJQLbqcDcV14iugvNAm5tWtr0qrWL8:BDLgCIuch1UuuG/m1XYaLqYiDV95I9r1

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 karafun-dp.exe has been seen being distributed by the following URL.

http://cdn.dobreprogramydownloads.com/c?x=AIcqt OJT9ygbkHC yd7G3tCIv3C6wO3VZVKSziI2Ys=&c=bNR2d65c6ZZDGi30Jd1bhnuC4QPFdnI/JNANmF3sbe3 y/DpsJJru5Hwx0MnFN1pMfHIbQ8NorAT8k4rVUAobQ==&fallback_url=http://www.karafun.com/down/.../karafunplayer_setup.exe&downloadAs=KaraFun(12132)-dp.exe

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