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skypesetup.exe

The application skypesetup.exe has been detected as a potentially unwanted program by 7 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 downloader2.downloadinfo.co a web site host known to distribute potentially unwanted software operated by Downloadinfo.
MD5:
0721d9bb4c2cb2a1eec406b1646e5a85

SHA-1:
152803bc76b89a1a26ea580f554a2d0bb95aec35

SHA-256:
4a35769dfe1d49b5a14031db2d84f095201d1bbd347f0f88f6f086dc1665a705

Scanner detections:
7 / 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:
4/25/2024 1:03:18 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:PUP-gen [PUP]
160215-2

Dr.Web
Trojan.Crossrider1.49350
9.0.1.05190

Emsisoft Anti-Malware
Adware.DealPly
11.5.0.6191

ESET NOD32
Win32/InstallCore.BL potentially unwanted application
8.0.319.0

Norman
Adware.DealPly.J
29.02.2016 03:11:57

Reason Heuristics
PUP.ConvertAd (M)
16.3.7.13

Sophos
PUA 'Install Core'
5.23

File size:
593.1 KB (607,368 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

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):
12288:fHyMJfs8dPOrwVJfGGhp8QTxFmyJd5jiOVBv23G2a4aezG:vyMJfskWruJfFp9ay75zO3G2a4bC

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

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

http://downloader2.downloadinfo.co/download.php?id=c78d4cea467af8c88eb24161a2fc3a35a48a7340&z=0&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJmciIsIm8iOiJ3aW44IiwiYiI6ImNoMjkiLCJ1X2lkIjoiZGlfNTIyNzYwZWQwZTQ3NjIuODkyMTU2NzQiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzc4MzEyNDI5LCJrdyI6InNreXBlIiwiY3UiOiJza3lwZSIsImNhIjpudWxsfQ==

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