74,139,804 programs installed

Should I remove Operating System Software?

What percent of users and experts removed it?
77% remove it23% keep it
Overall Sentiment
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How common is it?
Reach 0.0004%


VersionDistribution 100.00%

Operating System Software

What is Operating System Software?

This is an ad Injector type of malware that is typically bundled with unwanted software offers for legitimate software and once installed is deceptive, difficult to remove as well as impacts the security of the user's computer by displaying intrusive advertisements in the web browser which promote and trick users into installing other unwanted adware or malware. Once installed, it runs as a startup process in the background works by injecting into the browser ads on web pages that either do not normally appear or by replacing existing ads that are part of the existing site with ads from different companies with low quality offerings as well as malware. It works by monitoring and intercepting the user's web browser connections and injecting new content before the browser serve it up. (This is a variant of the CMI/WinCheck family of adware.)


The primary executable is named ansm574d.exe. A majority of users end up uninstalling this less than a week of it being installed. The setup package generally installs about 3 files and is usually about 2.79 MB (2,926,526 bytes).
  • Malware detected in the program
  • Displays unwanted advertisements
  • The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in Operating System Software.
ansm574d.exe (c767d420f3384cea8b2ea7cc6b0da236) has been flagged by the following 9 scanners:
Anti-Virus softwareVersionDetection
AVG 2016.0.3015 Generic6
AVware Trojan.Win32.Generic!BT
Baidu-International Adware.Win32.ConvertAd.PS
Comodo Security 22244 ApplicUnwnt
ESET-NOD32 9.11684 a variant of Win32/Adware.ConvertAd.PS
Fortinet FortiGate 8/16/2015 Riskware/ConvertAd
McAfee-GW-Edition 7.6671 BehavesLike.Win32.CryptDoma.vh
Symantec 8/16/2015 rev. 1 WS.Reputation
VIPRE Antivirus 40560 Trojan.Win32.Generic!BT

Program detailsProgram details

Installation folder: C:\users\user\appdata\local\4c4c4544-1431984385-3610-8053-b6c04f4d3332
Uninstaller: "C:\users\user\appdata\Local\4C4C4544-1431984385-3610-8053-B6C04F4D3332\uninstall.exe"
Estimated size: 2.79 MB

Program filesFiles installed by Operating System Software

Program executable:ansm574d.exe (Malware detected)
Additional files:
  • rnsn5A0E.exe
  • Uninstall.exe

How do I remove Operating System Software?

Quickly and completely remove Operating System Software from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Download "Should I Remove It?", it's FREE!Remove Operating System Software from your computer.
Or, you can uninstall Operating System Software from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Operating System Software, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Operating System Software.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.
Scan your PC for malware
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Win 8 67%
Win 7 (SP1) 17%
Uninstall it 77%
Keep it 23%
United States

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 8 66.67%
Windows Vista 16.67%
Windows 7 16.67%
Which OS releases does it run on?
Windows 8.1 50.00%
Windows 7 Ultimate 16.67%
Windows 8.1 Single Langua... 16.67%
Windows Vista Home Premiu... 16.67%

Distribution by countryGeography

75.00% of installs come from the United States
Which countries install it?
  United States 75.00%
  Russia 16.67%
  Switzerland 8.33%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 50.00%
Dell 25.00%
ASUS 25.00%
Common models
MSI MS-7677 16.67%
HP-Pavilion FK785AA-ABA s... 16.67%
HP Pavilion g7 Notebook P... 16.67%
Dell XPS 13 9343 16.67%
BIOSTAR Group TF570 SLI A... 16.67%
ASUSTeK X75A 16.67%


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