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install-tl.exe

The executable install-tl.exe has been detected as malware by 2 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 mirrors.ibiblio.org and multiple other hosts.
MD5:
9ae97824be8db9b59a31de125533dfcd

SHA-1:
c7adbda8409780d1a4756e5c00c98f0e78f50d9e

SHA-256:
b33dc62a5d1b0268044cb67e311b40b2060c32fcc84a568ec64da9e98c117ccb

Scanner detections:
2 / 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:
12/25/2024 12:51:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.11.30.6

Rising Antivirus
PE:Trojan.Win32.Generic.12DFC3C1!316654529
23.00.65.14603

File size:
13.2 MB (13,798,867 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

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

File PE Metadata
Compilation timestamp:
5/7/2010 11:11:31 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
196608:PRfDwiIa5nlIlui78qJmp2KqymoPE0f51OaGzevR37n8/QAGBGwiSofkBj:PRfDwHa9lto8vpjq9eE0R1GExIKBGw9

Entry address:
0x4048

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, E8, A7, 58, 00, 00, C7, 04, 24, 01, 80, 00, 00, E8, 0B, 52, 00, 00, 56, C7, 04, 24, 00, 00, 00, 00, E8, DE, 58, 00, 00, A3, 8C, 43, 7A, 00, 53, C7, 04, 24, 08, 00, 00, 00, E8, 26, 32, 00, 00, A3, 3C, 44, 7A, 00, 8D, 85, 84, FE, FF, FF, 51, 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, A4, B2, 40, 00, E8, 78, 57, 00, 00, 83, EC, 14, C7, 44, 24, 04, A5, B2, 40, 00, C7, 04, 24, 6C, 44...
 
[+]

Entropy:
7.9939  (probably packed)

Code size:
34.5 KB (35,328 bytes)

The file install-tl.exe has been seen being distributed by the following 4 URLs.

http://mirrors.ibiblio.org/CTAN/systems/texlive/.../install-tl.exe

http://mirrors.ibiblio.org/pub/mirrors/CTAN/systems/texlive/.../install-tl.exe

http://mirrors.dotsrc.org/ctan/systems/texlive/.../install-tl.exe

http://mirror.ctan.org/systems/texlive/.../install-tl.exe

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