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WinRAR.exe

WinRAR

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application WinRAR.exe by Download Assistant has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager 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:
DownloadAsst_New  (signed by Download Assistant)

Product:
WinRAR

Version:
3.0.0.84

MD5:
7b6d8cf984172013098756604ae6849f

SHA-1:
ed59db30d91d38cf7759f1c3715e38620b7107b2

SHA-256:
4d5e8e667cecfc6a841bc7196be5949ffce389d15421ce49d1cf30c77c3d7a97

Scanner detections:
6 / 68

Status:
Adware

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:
12/26/2024 12:18:19 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.30.172

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

IKARUS anti.virus
Trojan.Win32.Rimecud
t3scan.1.8.6.0

Reason Heuristics
PUP.Bundler.Air Software
15.3.3.19

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.15301

VIPRE Antivirus
Threat.4782985
38050

File size:
844.2 KB (864,424 bytes)

Product version:
3.0.0.84

Copyright:
(c) DownloadAsst_New

Original file name:
WinRAR.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
3/3/2015 6:23:53 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:pQr5mDGbHqaCe0vF2hFlYeY7ooQm+OtbPbL:WbqaC/ClYeEpXpPbL

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0570

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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

http://downtoad.com/landing/bing2/.../downloadfile.php

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