home

skype_installer.exe

Geryon Ads S.L.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application skype_installer.exe by Geryon Ads S.L has been detected as adware 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 installCore installer. The file has been seen being downloaded from downloadpcapps.com and multiple other hosts.
Publisher:
Geryon Ads S.L.  (signed and verified)

MD5:
9e7552f8417b61a96be0d08df2e5a4bf

SHA-1:
158cf93915e1688263c30cfb737327c3d27b4a3d

SHA-256:
993a7c6693f18881a7f7e7b85c2f1bc37eebc4b78730f9a9269ed9505c13d005

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/27/2024 1:17:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.GeryonAds (M)
16.3.8.14

File size:
757 KB (775,120 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Geryon Ads S.L.

Authority:
Thawte, Inc.

Valid from:
6/15/2014 9:00:00 PM

Valid to:
6/16/2015 8:59:59 PM

Subject:
CN=Geryon Ads S.L., OU=IT, O=Geryon Ads S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
71F910550D2DD2713679787B12FF2EA0

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:VtFa2tgBHBEDFn4LKIclJjR6/1/NbHbn2HKZQdaC7Tl7C7+ciBUCHwBzp/zz/S51:VtFztgBHSxyKNlJj8/pHbnTqaATll1aQ

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file skype_installer.exe has been seen being distributed by the following 2 URLs.

http://downloadpcapps.com/downloader/.../download_skype.php

http://downloader.so/.../skype.php

Remove skype_installer.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.