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winrar.exe

Winrar

Air Software

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, “Winrar ” by Air Software 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 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:
AirInstaller   (signed by Air Software)

Product:
Winrar

Description:
Winrar

Version:
2.0.4.57

MD5:
fa1ad48a7a48d3e1ddd512917316f387

SHA-1:
cc7e1d23621c9d7f83de1d63e14f77f4088a866c

SHA-256:
d6346e65055ae5880c43ce40623d367176f9ad11caca7bf70a20fbe79bf05b72

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/30/2024 10:06:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.5.12.13

File size:
815.9 KB (835,488 bytes)

Product version:
2.0.4.57

Copyright:
(c) AirInstaller

Original file name:
setup.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:
Air Software

Authority:
VeriSign, Inc.

Valid from:
1/25/2013 12:00:00 AM

Valid to:
3/26/2015 11:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
10/21/2013 5:26:42 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:xnvGYxu26XsERv60jIk75i2FFhozSwmF/W3WzWYDFANLFCS:xu06cERv5IkViM4zfmQ32JF4

Entry address:
0x25D110

Entry point:
60, BE, 00, B0, 59, 00, 8D, BE, 00, 60, E6, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8798

Packer / compiler:
UPX 2.90LZMA

Code size:
780 KB (798,720 bytes)

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

http://www.ifreedownloadss.com/.../download.php?id=5266c0682ac9a&i=all

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