What is ida.exe?

The genuine ida.exe file is a software component of Internet Download Accelerator by WestByte.
Ida.exe is the main executable that runs the Internet Download Accelerator program. The Internet Download Accelerator offers you features such as multi-threaded downloading, pausing and resuming downloads, scheduling operations, support for mirrors, working with zipped archives, etc. Westbyte was founded in 1998 and primarily designs and develops software. Westbyte originally started off with game development but gradually expanded to games, entertainment, contact management, database software, and utilities.

IDA stands for Internet Download Accelerator

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the ida.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Ida.exe file information

Windows Task Manager with ida
Ida.exe process in Windows Task Manager

The process known as Internet Download Accelerator belongs to software Internet Download Accelerator version by WestByte (

Description: Ida.exe is not essential for the Windows OS and causes relatively few problems. The ida.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 5,868,432 bytes (50% of all occurrences) or 3,958,848 bytes. 
The program has a visible window. The file is not a Windows system file. It is a Verisign signed file. The file has a digital signature. Ida.exe is able to record keyboard and mouse inputs, monitor applications and connect to the Internet. Therefore the technical security rating is 2% dangerous.

Uninstalling this variant: If you encounter difficulties with ida.exe, you can also do the following:

Recommended: Identify ida.exe related errors

External information from Paul Collins:
There are different files with the same name:

Important: Some malware camouflages itself as ida.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ida.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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One user thinks ida.exe is dangerous and recommends removing it.

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Best practices for resolving ida issues

A clean and tidy computer is the key requirement for avoiding problems with ida. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the ida.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

ida.exe [all]