proxy changer.exe

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 application proxy changer.exe 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 jimf8b94fu.click-downloadnowsoftfast.com.
Publisher:
Igor Pavlov  (signed by Install Assistant)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
afa1ac8af8a7a212758384efb446596c

SHA-1:
3b19526b05953d1f11c50770d7502bd8edbc72d5

SHA-256:
b8bbe55e4e07914753c3c463a40bd04110c6f7bdbe8350075059d6f793f86818

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
1/13/2025 1:43:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallA (M)
16.6.3.11

File size:
1.1 MB (1,181,840 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

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

Digital Signature
Authority:
Symantec Corporation

Valid from:
12/2/2015 5:30:00 AM

Valid to:
12/2/2016 5:29:59 AM

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 9:57:33 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:tWvknOMEde9S0mR/d6dwo2W8h741wll9noWd+Hh8jYdCWvTu/J+6TxEJakP:tUeOMcbdRZV7zzoWd+Hh8ovy/J+6EJa6

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:
6.9658

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

Code size:
126.5 KB (129,536 bytes)

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

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