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installrarzilla.exe

RarZilla Free Unrar Installer

Philipp B. Winterberg

The application installrarzilla.exe by Philipp B. Winterberg 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from ftp-stahuj.centrum.cz and multiple other hosts.
Publisher:
Philipp Winterberg  (signed by Philipp B. Winterberg)

Product:
RarZilla Free Unrar Installer

Version:
5.50

MD5:
edfa6bd93c4c5587e5c6fea500cbe323

SHA-1:
95e30547ffaffe9336101ee72f1d15dd1ca0179c

SHA-256:
8aa578d516fe48a03c7bffcd03d4639d92f1be77ebae08f74daf6aac521abef4

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.

Analysis date:
5/19/2024 8:32:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.PhilippBWinterberg.S
14.12.27.0

File size:
1.1 MB (1,145,240 bytes)

Product version:
5.50

Copyright:
© Philipp Winterberg

Original file name:
InstallRarZilla.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Philipp B. Winterberg

Authority:
COMODO CA Limited

Valid from:
3/29/2012 5:00:00 PM

Valid to:
3/30/2015 4:59:59 PM

Subject:
CN=Philipp B. Winterberg, O=Philipp B. Winterberg, STREET=Mecklenburger Str. 21, L=Münster, S=NRW, PostalCode=48147, C=DE

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

Serial number:
0CA313E6B88E9F097241DB43E8C7D876

File PE Metadata
Compilation timestamp:
6/6/2009 2:41:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:rNDk9Tp12mNEz8azL/keJp8ice3OofFLxS2jLuLR6JftEvpL3Q:JDmt13N0zrruice+ofnKLAftgN3Q

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...
 
[+]

Entropy:
7.9767

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 11 URLs.

http://ftp-stahuj.centrum.cz/dl/1cbbe562feb3e96c2950e6230fd9fdc3/58469df5/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://ftp-stahuj.centrum.cz/dl/20f0198b473cd704bc98a195685d0c57/583f22cc/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://software-files-a.cnet.com/s/software/13/98/80/.../InstallRarZilla.exe

http://ftp-stahuj.centrum.cz/dl/a18ed435c8edcec2ab8572749fe6f602/568831cb/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://ftp-stahuj.centrum.cz/dl/2b3c266efbb41a80e484f326ba84e101/55645411/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://files.downloadnow.com/s/software/13/98/80/.../InstallRarZilla.exe

http://ftp-stahuj.centrum.cz/dl/3d367a3833a018411504530cfd82bff9/56d00f9a/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://ftp-stahuj.centrum.cz/dl/fad337eaa026f61da93dfd92c270e235/572108f1/stahuj/download/software/secured/r/rarzilla-free-unrar/.../InstallRarZilla.exe

http://dl.cdn.chip.de/downloads/.../Install55RarZilla.exe

http://files1.majorgeeks.com/c19dc3cf9b0ced13099cc512d5ccaec4/.../InstallRarZilla.exe

http://www.philipp-winterberg.com/.../InstallRarZilla.exe

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