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torbrowser-install-4.0.8_en-US.exe

Tor Browser Bundle v4.0.8

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 torbrowser-install-4.0.8_en-US.exe by Download Assistant 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 file has been seen being downloaded from www.afterdawn.com.
Publisher:
Download Assistant  (signed and verified)

Product:
Tor Browser Bundle v4.0.8

Version:
3.0.0.95

MD5:
368bc2a29d675ebcae4b27655e52c1be

SHA-1:
0f7e24aba08f8e513afdbb63f38fd4a7f6eeb7d5

SHA-256:
4eabb98e086ebc52e3c1c0ab7324466b2191e34c64a8c8247726f615e65b3f00

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:
4/23/2024 7:49:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.5.11

File size:
959.7 KB (982,712 bytes)

Product version:
3.0.0.95

Copyright:
(c) Download Assistant

Original file name:
torbrowser-install-4.0.8_en-US.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\torbrowser-install-4.0.8_en-us.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/16/2015 5:30:00 AM

Valid to:
2/17/2016 5:29:59 AM

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:
4/27/2015 5:55:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:ziq9AtPXAsIdZU9CglFuLvzgw/pYSW4ZONXp37fUYIstMXrAGQUQfWQa1Ppeqa9:ziQAtPVAvLv1iDzIYHt6uZf6eqa9

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 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:
7.0553

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

The file torbrowser-install-4.0.8_en-US.exe has been seen being distributed by the following URL.

http://www.afterdawn.com/software/.../download.cfm?version_id=98439&software_id=4065&mirror_id=0&installer=1&perion=0&air_installer=1

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