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a905d923-c7c5-ffb4-b63d-458b995a6c50_1d1d9480040e9e4

7-Zip

Install Assistant

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The file a905d923-c7c5-ffb4-b63d-458b995a6c50_1d1d9480040e9e4 by Install Assistant 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 Vittalia DM installer. The file has been seen being downloaded from wtkjyupej0.download-this-software.com.
Publisher:
Igor Pavlov  (signed by Install Assistant)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
896df570961d6cb11350e21977d415c5

SHA-1:
5f6262085efa5b923c69ca7242acdd85881e4194

SHA-256:
cd0f23317561d289d9a6116334a64b26208fcd7db71c6d2370ce70691e2cea00

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
4/29/2024 4:18:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallA (M)
16.7.8.0

File size:
1.1 MB (1,182,360 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

Bundler/Installer:
Vittalia DM

Language:
English (United States)

Common path:
C:\ProgramData\microsoft\microsoft antimalware\scans\filesstash\a905d923-c7c5-ffb4-b63d-458b995a6c50_1d1d9480040e9e4

Digital Signature
Signed by:
Install Assistant

Authority:
Symantec Corporation

Valid from:
12/1/2015 7:00:00 PM

Valid to:
12/1/2016 6:59:59 PM

Subject:
CN=Install Assistant, O=Install Assistant, L=Wilmington, S=Delaware, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
08E92E5C80AD2907C83D98EDED9100D6

File PE Metadata
Compilation timestamp:
11/18/2010 11:27:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:9WvknOMEdSLH3uNHDonSYZpKf/hhu8fLAJ48S7BFPe7QuzEJakg:9UeOMcSyNHsWfG8fL2s87zEJakg

Entry address:
0x1D262

Entry point:
55, 8B, EC, 6A, FF, 68, 20, 1E, 42, 00, 68, 5C, D2, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, 04, 11, 42, 00, 59, 83, 0D, 90, BD, 42, 00, FF, 83, 0D, 94, BD, 42, 00, FF, FF, 15, 00, 11, 42, 00, 8B, 0D, 70, 9D, 42, 00, 89, 08, FF, 15, FC, 10, 42, 00, 8B, 0D, 6C, 9D, 42, 00, 89, 08, A1, 64, 11, 42, 00, 8B, 00, A3, 8C, BD, 42, 00, E8, 1C, 01, 00, 00, 39, 1D, 20, 7A, 42, 00, 75, 0C, 68, EA, D3, 41, 00, FF, 15, 0C, 11...
 
[+]

Entropy:
6.9686

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
126.5 KB (129,536 bytes)

The file a905d923-c7c5-ffb4-b63d-458b995a6c50_1d1d9480040e9e4 has been seen being distributed by the following URL.

http://wtkjyupej0.download-this-software.com/1467916691PnY8R0Q8RnZXS0FWZEE RHZzTkQ cVdaYVdidmxQRD5xWWRkVmJWWVlhZWxBREcgSS5IIHFOIE9QSw==

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