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InstallRarZilla.exe

RarZilla Free Unrar Installer

Philipp Winterberg

The application InstallRarZilla.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from www.slunecnice.cz.
Publisher:
Philipp Winterberg

Product:
RarZilla Free Unrar Installer

Version:
5.10

MD5:
3cb40f29d0e217fcd79781ad3b593350

SHA-1:
23ce9548aa042646d4cf4ed7592528f768b9c01d

SHA-256:
52a26b9b9f6ae89df3677908147b897f6d5f705a9aa7240deca08a832ef5d30f

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/25/2024 4:23:10 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OpenCandy potentially unsafe application
7.0.302.0

F-Prot
W32/OpenCandy.B (exact, not disinfectable)
4.6.5.141

Sophos
PUA 'OpenCandy'
5.22

File size:
624 KB (638,976 bytes)

Product version:
5.10

Copyright:
© Philipp Winterberg

Original file name:
InstallRarZilla.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
6/6/2009 11:41:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:mNUTlOd+mb798K6kb+Nmj1kHMA1r50I2GZt2LTCKXD6+/nm:mN+OdJPxSgQgLZTCKX5nm

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file InstallRarZilla.exe has been seen being distributed by the following URL.

http://www.slunecnice.cz/sw/rarzilla-free-unrar/stahnout/.../?m=a9ab36bc83665dd0404b0655d7fa168b&t=5328935c

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