home

winrar.exe

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 winrar.exe by dobreprogramy sp. z o.o has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
9b8f7764abc9b764f4ec0a0a25aef4b4

SHA-1:
813331d6cf0e31b826fe4543eb3416912f109bfd

SHA-256:
d5e29be654677e43cce6b8eaeaef5f5c2d69fc51170c94333aa12431ac013ee9

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
5/10/2024 4:59:36 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
990

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.140.16

Bitdefender
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
1.0.20.705

Dr.Web
Trojan.Packed.24524
9.0.1.081

Emsisoft Anti-Malware
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
8.14.05.21.04

ESET NOD32
Win32/InstallCore.LH (variant)
8.9611

F-Secure
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
11.2014-21-05_4

G Data
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
14.5.24

herdProtect (fuzzy)
variant of adobe-shockwave-player(13041).exe (Adware)
2014.5.21.4

MicroWorld eScan
Gen:Trojan.Heur2.GZ.QGZ@b4LXZRpi
15.0.0.423

Reason Heuristics
PUP.dobreprogramyspzoo.N
14.3.22.5

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Adware.Win32.InstallCore.ba
27824

File size:
676.1 KB (692,376 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

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

Authority:
COMODO CA Limited

Valid from:
6/6/2013 2:00:00 AM

Valid to:
6/7/2014 1:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., STREET=Al. Jana Kasprowicza 94, L=Wrocław, S=dolnośląskie, PostalCode=51-145, C=PL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00EFC6EDE5717968B796D7BFF8BE2536E9

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:fnvpYElKbwJISsxfIG5TWohMz/yHQA3bnraf9Z6TM0q9Ww4Hefm7:fnv7sVTxfIGTWoazqHQ0bnGZccM+

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file winrar.exe has been seen being distributed by the following 2 URLs.

https://shop.win-rar.com/16/cookie?affiliate=32372&redirectto=http://download.dobreprogramy.pl/.../x64

https://shop.win-rar.com/16/cookie?affiliate=32372&redirectto=http://download5.dobreprogramy.pl/.../x64

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