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skypesetup.exe

The application skypesetup.exe has been detected as a potentially unwanted program by 28 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 downloader.downloadinfo.co a web site host known to distribute potentially unwanted software operated by Downloadinfo.
MD5:
c18b0bc06e04d83a9c416921e2657211

SHA-1:
3681b5614d619b1a7e598a75ff8d68ad60210ab9

SHA-256:
9300d915c4d8f04e6aee1fb4a1e1c2b289822557132ce8f3e42b36678a234a09

Scanner detections:
28 / 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:
4/18/2024 11:13:49 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.DealPly.J
5730883

Agnitum Outpost
PUA.InstallCore
7.1.1

AhnLab V3 Security
PUP/Win32.InstallCore
2015.10.02

Avira AntiVirus
ADWARE/InstallCo.HB
8.3.2.2

Arcabit
Adware.DealPly.J
1.0.0.568

avast!
Win32:Adware-gen [Adw]
150913-1

AVG
Adware Generic5.BDFT
2015.0.4409

Bitdefender
Adware.DealPly.J
1.0.20.1375

Clam AntiVirus
Win.Adware.Dealply
0.98/20951

Comodo Security
Application.Win32.Agent.I
23337

Dr.Web
Trojan.Crossrider1.49350
9.0.1.05190

Emsisoft Anti-Malware
Adware.DealPly
10.0.0.5366

ESET NOD32
Win32/InstallCore.BL potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

F-Secure
Adware.DealPly.J
5.14.151

G Data
Adware.DealPly
15.10.25

K7 AntiVirus
Adware
13.210.17403

Malwarebytes
PUP.Optional.InstallCore
v2015.10.02.11

MicroWorld eScan
Adware.DealPly.J
16.0.0.825

NANO AntiVirus
Riskware.Win32.InstallCore.dcnbof
0.30.26.3725

Norman
Adware.DealPly.J
03.12.2014 13:20:04

nProtect
Adware.DealPly.J
15.10.02.01

Rising Antivirus
PE:Malware.InstallCore!6.4[F1]
23.00.65.15930

Sophos
PUA 'Install Core'
5.19

SUPERAntiSpyware
Adware.InstallCore
9594

Vba32 AntiVirus
Downware.InstallCore
3.12.26.4

VIPRE Antivirus
Threat.4150696
43798

Zillya! Antivirus
Adware.InstallCore.Win32.953
2.0.0.2424

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:
6/19/1992 3:22:17 PM

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...
 
[+]

Entropy:
7.7621

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://downloader.downloadinfo.co/download.php?id=c78d4cea467af8c88eb24161a2fc3a35a48a7340&z=0&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMjYiLCJ1X2lkIjoiZGlfNTE5M2M0OGM2Y2VjNDAuOTI2MzQ3ODEiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzY4NjM4NjA0LCJrdyI6InNreXBlIiwiY3UiOiJza3lwZSIsImNhIjpudWxsfQ==

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