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_.exe

Leg

The application _.exe, “Leg Setup ” has been detected as a potentially unwanted program 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 Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Product:
Leg

Description:
Leg Setup

MD5:
eecd7230ccad31bee2b5c17cd72be1eb

SHA-1:
7cd93c2c7702f52bc92086bd418e48df5b311ae4

SHA-256:
8f44ebbb17f64cecd8cfe5611b2a9b448b4cac100f739d4e3eebc63abbd0a298

Scanner detections:
1 / 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:
11/6/2024 5:42:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE11 (M)
16.4.3.1

File size:
1017.5 KB (1,041,958 bytes)

Product version:
5.4.5

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
6/19/1992 10:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:QDq0uHt9g7Kn7mmcHme5wX/T82ZbHHtZeEgDPOTTjGUf6:QuNN9ramve2rRn67L0ai6

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://www.contentbyteflash.com/c?x=clRZ5AvpSd 62nDdX9wywA2TDOzqxqkSXh46RSiW7jM=&c=dB2MCinpZ8lt9/ibJ/f/CxLY8MRV4vuVtHWiGSGmxjV8zmMld2717PDSvaiFgTSSNqE9nHEaiGBgpssurA19y6ITsTJztt3/l8mmOWtdqaGm/r9UQ1IjWssU63UvFxHO&downloadAs=_.exe&fallback_url=http://.../get.php?file=eb1ebcfd&m3

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