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install.exe

The executable install.exe has been detected as malware by 4 anti-virus scanners. 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 letoltes.prim.hu.
MD5:
ff9f163e00100f2781f7f8c04593c02f

SHA-1:
6b3b0e773e6a3fd2dd1d99163cbb11e58fa49010

SHA-256:
4b84ce7a77cbeba942262029fe6d44003f03791dc62fd1e571d20067fba57cca

Scanner detections:
4 / 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:
4/23/2024 7:24:21 PM UTC  (today)

Scan engine
Detection
Engine version

McAfee
RDN/Generic Downloader.x
5600.6320

Qihoo 360 Security
HEUR/QVM20.1.Malware.Gen
1.0.0.1077

Reason Heuristics
Threat.Win.Reputation.IMP
16.12.5.0

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

File size:
132.3 KB (135,522 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

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

File PE Metadata
Compilation timestamp:
2/19/2012 4:01:57 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
3072:ZlU4wBzaWRRu38YLsdQGlJm45nH5kRuXkC6c8RSgBNIGphn+qJ9E:Zcu38YwhmAkov66gnH9E

Entry address:
0x4131

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 43, 43, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 44, 43, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 44, 43, 00, 56, A3, F4, 27, 43, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8B, 3B, 00, 00, A3, 50, 28, 43, 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, A9, B2, 40, 00, FF, 15, AC, 44, 43, 00, 83, EC, 14, C7, 44, 24, 04, AA, B2, 40, 00, C7...
 
[+]

Code size:
33.5 KB (34,304 bytes)

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

http://letoltes.prim.hu/staticfiles/download_manager/.../install.exe

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