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icreinstall_skypeupdatesetup.exe

File.org

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_skypeupdatesetup.exe by File.org has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
File.org  (signed and verified)

MD5:
baaa342caff560db03bc560d31ff8320

SHA-1:
dfaa944384f4e1bd5065efeeacc6274d789184ba

SHA-256:
92f95cd4617d51072e726547846a9550737c3848f05e2c9abc9831f54a3ec35e

Scanner detections:
4 / 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:
12/28/2024 10:47:52 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.154.142

ESET NOD32
Win32/InstallCore.PC
8.9932

Reason Heuristics
PUP.Installer.Fileorg.CC
14.7.3.9

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

File size:
670.8 KB (686,936 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_skypeupdatesetup.exe

Digital Signature
Signed by:
File.org

Authority:
COMODO CA Limited

Valid from:
4/25/2014 1:00:00 AM

Valid to:
4/26/2015 12:59:59 AM

Subject:
CN=File.org, O=File.org, STREET=Bysoestrade 2B st., L=Holbaek, S=N/A, PostalCode=4300, C=DK

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00E2D23668FD70A6AD497F37619358D967

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:wYvpWINlY/czBM/vArIudGX2YamtH8GbQIn7BcHFDVtXWqP2hgGORFCVaQ:wYvoINuW2wdGGYFtcGFnytXWqnL/jQ

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, 53, C9, FF, FF, E8, 9A, 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...
 
[+]

Entropy:
7.8879

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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