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installer_skype_deutsch.exe

The application installer_skype_deutsch.exe has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the installCore 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 deall.filewin.com.
MD5:
8a4c9251fdba92e41f13a2239bb51dbc

SHA-1:
d5cf559595d971330bd0a00f31171e053612e6a6

SHA-256:
5c301d74a2e8aaf73bdb766ad6b54c670c44c42386d465f62b0d90dc41d0dbd8

Scanner detections:
10 / 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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
8/4/2025 8:50:29 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/InstallCore.AD
7.11.122.46

Dr.Web
Trojan.Packed.24524
9.0.1.021

ESET NOD32
Win32/InstallCore.FJ (variant)
10.9190

G Data
Win32.Application.InstallCore
16.1.22

Malwarebytes
PUP.Optional.Freemium.A
v2016.01.21.10

Reason Heuristics
PUP.InstallCore.Bundler (M)
16.1.21.10

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.16119

Sophos
Install Core Click run software
4.96

SUPERAntiSpyware
PUP.InstallCore/Variant
9372

VIPRE Antivirus
InstallCore
24762

File size:
681.2 KB (697,576 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\installer_skype_deutsch.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:OyMJfsGqgXu8aOQ7fYipo76/paVAmhGj6qm00yCLwkgtEWghmtKeuwDnH:OyMJfsFg5U7fYSomBgUBP0LvKEWghmAg

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

http://deall.filewin.com/.../download?p=DE-ADC

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