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torbrowser-install-4.0.3_ar.exe

The executable torbrowser-install-4.0.3_ar.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the Nullsoft Install System installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from download1886.mediafire.com and multiple other hosts.
MD5:
8c1d36e6d3f994584c58f54480b28b84

SHA-1:
2010d8ae58a6a93eb3787c12ca14d2930c105211

SHA-256:
fda452103c717258c10578e94fd9fb48aa781b836cc9034202ed491fc3b93254

Scanner detections:
1 / 68

Status:
Malware

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

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

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.12.2.19

File size:
33.1 MB (34,732,268 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\torbrowser-install-4.0.3_ar.exe

File PE Metadata
Compilation timestamp:
2/19/2012 5:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
786432:sxszxwY8Q/8a1KvBKUNC9NC68Zn7KabbSlbl0EXLr+O6q3v:bl8Q/rSgqDbbSNaInjtv

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.9998  (probably packed)

Code size:
34.5 KB (35,328 bytes)

The file torbrowser-install-4.0.3_ar.exe has been seen being distributed by the following 7 URLs.

http://download1886.mediafire.com/b68667x7pwag/.../torbrowser-install-4.0.3_ar.exe

http://download2181.mediafire.com/ca9969zs8tqg/.../torbrowser-install-4.0.3_ar.exe

http://download667.mediafire.com/8nxi4uii0dwg/.../torbrowser-install-4.0.3_ar.exe

http://download1961.mediafire.com/uf3rtky9y01g/.../torbrowser-install-4.0.3_ar.exe

http://download621.mediafire.com/hbm2t4m32p9g/.../torbrowser-install-4.0.3_ar.exe

https://dist.torproject.org/torbrowser/.../torbrowser-install-4.0.3_ar.exe

https://www.torproject.org/dist/torbrowser/.../torbrowser-install-4.0.3_ar.exe

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