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skype_dsetup.exe

The application skype_dsetup.exe has been detected as a potentially unwanted program by 12 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 files.downloadsmart.net.
MD5:
f56ef45430943f18d14e9cc8cbd21cfd

SHA-1:
74b7eabdbb01f6cb0a5ee41a40daf75d32c6d21d

Scanner detections:
12 / 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:
4/26/2024 11:45:55 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.107.196

Bkav FE
W32.Clod50e.Trojan
1.3.0.4261

Comodo Security
ApplicUnwnt
17211

Dr.Web
Adware.InstallCore.133
9.0.1.0108

ESET NOD32
Win32/InstallCore.CH (variant)
8.8920

F-Prot
W32/InstallCore.R4.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of icreinstall_mailstore_home_dsetup.exe (Adware)
2014.7.7.1

Malwarebytes
PUP.Optional.InstallCore
v2014.04.18.01

McAfee
Artemis!F56EF4543094
5600.7157

Trend Micro House Call
TROJ_GEN.R0CBH05J913
7.2.108

Trend Micro
TROJ_GEN.R0CBC0OJB13
10.465.18

VIPRE Antivirus
Trojan.Win32.Generic
22410

File size:
611.6 KB (626,272 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\Documents and Settings\{user}\My documents\downloads\skype_dsetup.exe

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:/MJfsGCJWTKf1Qta52uZsC80nHuMIaGKGkFQ2CO9cfwwBrFk/WgqO:/MJfsVkTumtaMuqCLHuMI9KLWfwkeug

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:
7.7704

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

Code size:
36 KB (36,864 bytes)

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

http://files.downloadsmart.net/i/1024/4939/.../skype_dsetup.exe

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