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shadowsocks_2101.exe

Leg

The application shadowsocks_2101.exe, “Leg Setup ” has been detected as a potentially unwanted program by 4 anti-malware scanners. 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. The file has been seen being downloaded from www.metabitsflash.com.
Product:
Leg

Description:
Leg Setup

MD5:
51d4d6f8ea21777a35cbfb0e4a3d412e

SHA-1:
3c3a2b0fd810340e5fd2a58b53dfd86306fb5af1

SHA-256:
58fcc92b892030de744316ad88ec970094a94920089dac67fb7f0c2719248363

Scanner detections:
4 / 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 5:41:58 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Trojan-gen
160327-1

Dr.Web
Trojan.InstallCore.1903
9.0.1.05190

ESET NOD32
Win32/InstallCore.ACY.gen potentially unwanted application
7.0.302.0

Reason Heuristics
PUP.InstallCore.EST (M)
16.4.7.20

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

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:aDq0uHt9g7Kn7mmcHme5wX/T82ZbHHtZeEgDPOTTjGUf6:auNN9ramve2rRn67L0ai6

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 shadowsocks_2101.exe has been seen being distributed by the following URL.

http://www.metabitsflash.com/c?x=oEcEqBJQMv2vP4oOGQXwIjdHdTNJiXQzr48Kql0/XIQ=&c=qMVMxeaqWs1r7sIGpChUHxiwseV7uy3p3d/V7HudcweC07J0IiNka7evsE9JH5tR5s4Eu pBH2UzndrlpdC2vFhN3cV7vu4R391slxDkWucAhWKTZXR4NTzMuTKA28OA&downloadAs=Shadowsocks_2101.exe&fallback_url=http://.../get.php?file=805e30cd&m3

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