skypesetup.exe

Skype

The application skypesetup.exe 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 NSIS (Nullsoft Scriptable 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 skype.joydownload.com.
Product:
Skype

Version:
1.0.0.0

MD5:
93d88e7393f64faff85379fe11b42fee

SHA-1:
d1c4082ff5a4ff592a5ce0ed2becefc9a0edbc9c

SHA-256:
35efe639848814e22c68386ab7e8b4f12b52790a4118838a5a4c96973cf9cd94

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/25/2024 10:45:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Bundler.Installer.Meta (M)
16.6.30.7

File size:
496.7 KB (508,580 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

File PE Metadata
Compilation timestamp:
5/20/2013 7:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:XQgLMwvx826UXtVSlAmmCayHN7HfpGe8EEQ+eTrkK3i:gSMwm9SzSimmWHN7HxiJQ+eTr5y

Entry address:
0x331F

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8637

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

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

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