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winrar 5.01 (pol)_isdmgr.exe

Ringier Axel Springer Polska 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 5.01 (pol)_isdmgr.exe 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. The installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Ringier Axel Springer Polska sp. z o.o.  (signed and verified)

MD5:
f6ab56424880cff9fda9e8f88b5a98ce

SHA-1:
197f27773655689ab4ef5ba0b867a8b774b65f7d

SHA-256:
0da529a6a1d994a8226f29f222e26a18d52ac76f10d80fa9bd431f1776c351e5

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 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:
4/23/2024 10:07:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.RingierAxelSpringerPolskaspzoo (M)
15.10.12.18

File size:
583.6 KB (597,632 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\winrar 5.01 (pol)_isdmgr.exe

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

Authority:
COMODO CA Limited

Valid from:
1/28/2014 1:00:00 AM

Valid to:
1/29/2015 12:59:59 AM

Subject:
CN=Ringier Axel Springer Polska sp. z o.o., O=Ringier Axel Springer Polska sp. z o.o., STREET=Domaniewska 52, L=Warsaw, S=Poland, PostalCode=02-672, C=PL

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

Serial number:
00F58C43870A319F9A7934DFE1C1760EB1

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:OvpiDxkIt3ynO2QfDecv1a9mq/QFWleJ4:OvQDztinlQfDTo9qFWle

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 5.01 (pol)_isdmgr.exe has been seen being distributed by the following URL.

http://download.komputerswiat.pl/umbraco/.../IronSourceFileDownloader.ashx?description=WinRAR to jedno z najbardziej popularnych narzedzi do archiwizacji danych na swiecie. Program przez wiele lat zyskal renome wsród uzytkowników, a jego nazwa...&downloaderFileName=WinRAR 5.01 (POL)_isdmgr.exe&fileName=WinRAR 5.01 (POL).exe&fileSize=1.84 MB&logoUrl=&published=2013-12-18&title=WinRAR 5.01 (POL)&url=dsSOIj6Cbavrd7t673e7r8NpPoyFpMcV5jRSTmklP1PvbENCRlKpw5e3OkiC 8w8JGeeXQ CWhKk27jkfgLQN k7K1dlcrncjbNJ80 wSlecF7NzEey4k qRFDN8toL2&version=5.01&md5=2bb60b5cc5c3c0fc8463738e0c1473fb

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