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Searched as:
Ac4
Aliases of Ac4 (AKA):
[Kaspersky] trojan-Downloader.Win32.Small.cyh
[Other] Trojan-Downloader.Small, W32/DLoader.AXYN
How to Remove Ac4 from Your Computer
To completely purge Ac4 from your computer, you need to delete the files and folders associated with Ac4. These files and folders are respectively listed in the Files and Folders sections on this page.
For instructions on deleting the Ac4 files and folders, see the following section How to Delete Ac4 Files (.exe, .dll, etc.).
How to Delete Ac4 Files (.exe, .dll, etc.)
The files and folders associated with Ac4 are listed in the Files and Folders sections on this page.
To delete the Ac4 files and folders:
- Using your file explorer, browse to each file and folder listed in the Folders and Files sections.Note: The paths use certain conventions such as [%PROGRAM_FILES%]. These conventions are explained here.
- Select the file or folder and press SHIFT+Delete on the keyboard.
- Click Yes in the confirm deletion dialog box.
Files:
Ac4 Categorized as:
Downloader
A type of trojan. The primary purpose of downloaders is to install malicious code on a user’s computer. However, they can enable other malicious uses. For example, they can be used to continually download new versions of malicious code, adware, or “pornware.” They are also used frequently used to exploit the vulnerabilities of Internet Explorer.
Downloaders are typically written in script languages such as VBS or JavaScript.
How Did My PC Get Infected with Ac4?
The following are the most likely reasons why your computer got infected with Ac4:
- Your operating system and Web browser's security settings are too lax.
- You are not following safe Internet surfing and PC practices.
Downloading and Installing Freeware or Shareware
Small-charge or free software applications may come bundled with spyware, adware, or programs like Ac4. Sometimes adware is attached to free software to enable the developers to cover the overhead involved in created the software. Spyware frequently piggybacks on free software into your computer to damage it and steal valuable private information.
Using Peer-to-Peer Software
The use of peer-to-peer (P2P) programs or other applications using a shared network exposes your system to the risk of unwittingly downloading infected files, including malicious programs like Ac4.
Visiting Questionable Web Sites
When you visit sites with dubious or objectionable content, trojans-including Ac4-, spyware, and adware, may well be automatically downloaded and installed onto your computer.
Detecting Ac4
The following symptoms signal that your computer is very likely to be infected with Ac4.
PC is working very slowly
Ac4 can seriously slow down your computer. If your PC takes a lot longer than normal to restart or your Internet connection is extremely slow, your computer may well be infected with Ac4.
New desktop shortcuts have appeared or the home page has changed
Ac4 can tamper with your Internet settings or redirect your default home page to unwanted web sites. Ac4 may even add new shortcuts to your PC desktop.
Annoying popups keep appearing on your PC
Ac4 may swamp your computer with pestering popup ads, even when you're not connected to the Internet, while secretly tracking your browsing habits and gathering your personal information.
E-mails that you didn't write are being sent from your mailbox
Ac4 may gain complete control of your mailbox to generate and send e-mail with virus attachments, e-mail hoaxes, spam, and other types of unsolicited e-mail to other people.
Check now if your PC is infected with Ac4
Also Be Aware of the Following Threats:
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