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twilight.exe

The application twilight.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. It uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from installerlaunch-pt1.com.
MD5:
ac3bf3596792dc5d31b7f50626adfe8a

SHA-1:
857e3e9640b57b7324dc1b3908ff13b71e5f6603

SHA-256:
415153a61090a82b36663fe2e5ba5c506f8471d9ed4b6e45d7844fdb95fca2ca

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
2/24/2025 10:40:25 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/InstallCore.AZ potentially unwanted application
6.3

F-Prot
W32/InstallCore.S.gen
4.6.5.141

Reason Heuristics
PUP.FusionCore.ICDP (L)
16.12.5.1

File size:
1.1 MB (1,197,696 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cHhUrhJZd0SznxQ5uoQFXadjUfIk+rKA4VWBTeB0k83el+zpWozIy1pQvk:c6lfdA5TQFKBw+rKjoBXB3el+zpWoMmb

Entry address:
0xD66D0

Entry point:
55, 8B, EC, 83, C4, F0, B8, C4, 68, 41, 00, E8, 23, EE, FF, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.7246

Developed / compiled with:
Microsoft Visual C++

Code size:
869.5 KB (890,368 bytes)

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

http://installerlaunch-pt1.com/index.php?dl=download.installerlaunch-pt1.com/pp_5638.exe&dn=twilight.exe&sid=4721-ISM-v1&pid=1277&browser=chrome&ptrk=v61i20th2j0p7t4ela30lotma3&SKIP_ALL=false&UNINSTALL=false&DOP=2&typ=http://.../ty.php

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