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Searched as:
user.ds
Overview
user.ds is a malware-associated dynamic link library (dll). Legitimate dll files contain a set of executable functions that can be used by Windows applications. Malware-associated dlls contain malicious code that causes damage to your PC.
Location of user.ds and Associated Malware
Check whether user.ds is present in the following locations:
- C:\WINDOWS\system32\twain32\user.ds
- C:\WINDOWS\system32\twain_32\user.ds
If you find user.ds in any of these locations, your computer is very likely to be infected with the following malware:
Notes:
- You can check if user.ds is associated with the malware listed above by running a Exterminate It! Free Scan.
- You can easily remove all the files listed above with Exterminate It!.
Different Variations of user.ds File
| File Size | File Md5 | Last Seen |
|---|---|---|
| 193945 | 259A6D7F9DC13353EF90A01609E14D42 | May 10, 2010 |
| 303201 | 21B20385885FB1CD8C30EBF61F2E024B | May 28, 2010 |
| 2202 | 70E62089B8100250FADC314F1F7908DC | Jun 5, 2010 |
| 158616 | 5B5C457FC1A3D9DFB8A057E282B0EA52 | Jun 18, 2010 |
| 1396 | 9CEE8112F64B661BD28008CD738384DF | Jun 20, 2010 |
| 902504 | 8622F7AADCDF12967AF520DF21B7A046 | Jul 5, 2010 |
| 7365397 | 2B6AD58349117DA8B36FE144BBD818FB | Aug 4, 2010 |
| 11300 | 8630EBFA7928D38E27FF3D7030F694AE | Aug 6, 2010 |
| 7430 | AEB280F1D99DEB9F3C541B2FDE6FFC00 | Sep 16, 2010 |
| 4830 | 0EC63E23A9D6E41F6C85662455E144F8 | Sep 20, 2010 |
| 275 | F1F752041D4E05CDC1096DC2436FADD2 | Sep 30, 2010 |
| 6989 | 651E3BFDF7157B35034980EB55DD7B97 | Oct 24, 2010 |
| 4126241 | D1CEE86AD576425279910E6C24AF8046 | Dec 3, 2010 |
| 1431 | 7BC22000CA09ED827E5D12B594236071 | Dec 6, 2010 |
| 113878 | 7E20262D46F156F94F1B356F28C599E5 | Jan 19, 2011 |
| 15469 | CCCE8E39A4BE54875AD0D3430A6917B8 | Mar 28, 2011 |
| 1352 | 1C364C252556146B1AA29236071DC303 | Apr 18, 2011 |
| 549 | F2E6AB5A98754A550EBD4A8C2FDBF6BB | Apr 27, 2011 |
| 6626 | 82459310CDC43E658B8DDF3E6AB6761E | May 4, 2011 |
| 5826 | 25673BB3BAFEC77021A9DE359F56DDDB | May 17, 2011 |
| 1230 | 6B1BB27E904B571F4A54B390B9D4C0FB | Aug 5, 2011 |
| 143218 | DE8A97E2A2B7267BFF003E148615330F | Sep 9, 2011 |
| 1419507 | A3238EC2C2BD9E9AA251B4A9E83D9320 | Nov 28, 2011 |
| 55808 | 591CBDE2E1BC0F29BB1CB57A4E7EF533 | Apr 12, 2012 |
| 0 | D41D8CD98F00B204E9800998ECF8427E | Dec 4, 2012 |
| 10041 | 949E9225EC646D70D40F1D1D0DDB63BB | Dec 17, 2012 |
| 8101315 | 5437F846A878D5207B97A721B80DFA47 | May 10, 2010 |
| 2285836 | 654F2209C682AC5C83D3D4DED9871801 | May 11, 2010 |
| 108 | BF128D089AFC5A9D0DFCC569BD186FD5 | May 16, 2010 |
| 108 | 3306B66731907F42D31AB5F91337A862 | May 16, 2010 |
| 793 | F4C429601FD0C2053C2BAD7926FF1A5B | May 19, 2010 |
| 33899 | 235E4D355BDF657A39C12A4154355BBE | May 24, 2010 |
| 2937 | 7B205CA4618FE8226988F67852137788 | May 27, 2010 |
| 484 | 60C8A0CE5A30DAB60CC410FA9968BB1E | Jun 1, 2010 |
| 98282 | E5A6520CBCF965960E37F33D21BC3B87 | Jun 4, 2010 |
| 3444 | 7F5D075939C64B9901ACFBE1881D27EC | Jun 5, 2010 |
| 35904 | 984D9323E1B0381F94FD937EB00081F1 | Jun 15, 2010 |
| 118 | 3F9CB9ABCADB5A6BAAE3A21DC3437577 | Jun 26, 2010 |
| 542 | FA42E8875E9504C7E4EC1D65F6FDAFD5 | Jul 5, 2010 |
| 331784 | EAAD36E2058FF0A0F72C9E0F5D04FC0B | Jul 7, 2010 |
| 332896 | 22A3B8D2BAA48D1308A071AA78A15EA9 | Jul 8, 2010 |
| 2039 | 45250A42FC008EA856CBB58C782076FA | Jul 26, 2010 |
| 11346 | 8637F2A996C096943F5E93C913810BF4 | Aug 22, 2010 |
| 108 | 5E2C0017B09FAF5BB5718FDCB772A8E7 | Aug 28, 2010 |
| 142647 | 1CD8385B3AC737E5639D41A0DDEFEBA5 | Aug 29, 2010 |
| 10697 | BE20F1F3BC24F0EDEC9A8426A3D6C040 | Sep 1, 2010 |
| 2459 | 32CB799BCBA9F639F695EE1E8EB4DB95 | Sep 15, 2010 |
| 678 | 162D479A90FCE3894F3207DBF1945172 | Sep 20, 2010 |
| 550 | DA2C4F1E5771DEFF4E18822D16C1357F | Oct 12, 2010 |
| 868960 | D843BFECB9D6F8D76E51AAA6038C319F | Oct 18, 2010 |
| 16161 | 666E4B07F5E8EB26A67B1938999B3D61 | Oct 18, 2010 |
| 7680 | 09292E40EB51B4FB2ADF2B2D8AB5F7D6 | Oct 26, 2010 |
| 218250 | 688773EC3FC0F5BF44ECA8D0861A5951 | Nov 9, 2010 |
| 108 | E95B44CEF7B1FFADFB6E6E92E09D1993 | Nov 18, 2010 |
| 32520152 | 591A3F8AEDE0CDD6ABE4F7A55C1EEC94 | Dec 8, 2010 |
| 47918 | C9C5AA1906B710793794D0FEA24F097F | Jan 10, 2011 |
| 3290 | 581C0A7BCDA0A79E0CF188E5D087B3EE | Jan 21, 2011 |
| 139 | DC912168A21E0E1F9CBEF2B90ABB4246 | Feb 4, 2011 |
| 108 | E168088A7D77FA47113BCEECA5F80E40 | Feb 8, 2011 |
| 224963 | E56277BD274850D5876C2499E871B023 | Feb 25, 2011 |
| 257 | 4E5588F0753E478573A618F9BF29D78B | Mar 26, 2011 |
| 5192908 | 52CCB364536634F57309270550322E6E | May 9, 2011 |
| 2147483647 | D41D8CD98F00B204E9800998ECF8427E | Jun 4, 2011 |
| 108 | 49770DAC0F5D8946A5019034CD57CD31 | Jun 8, 2011 |
| 90423 | D5E8B87BC886A6349909C4445CD6992D | Jun 25, 2011 |
| 13854834 | 9CFFDB0DAE5A2CF4F156A56737EF1D55 | Jun 27, 2011 |
| 393138 | B47DB84087668E7BF890DA7BA7D79041 | Jul 22, 2011 |
| 335726 | 9882AFBD469BDFB09536887BD9D65F54 | Aug 31, 2011 |
| 26034 | 1783B3EB65C8DCE4CC73C9183A894F0B | Sep 9, 2011 |
| 393 | 04645AB1BE8EA7173C8E859125AB7324 | Sep 17, 2011 |
| 108 | CD2D784D48576543D50F62A9E4186E58 | Sep 30, 2011 |
| 9458 | 65533A1C8AF3B8D87E708F8794C2CBB0 | Oct 4, 2011 |
| 50336018 | 2554AA4F3D9CDE982AD7637281F625C4 | Oct 11, 2011 |
| 2402 | F9E5DAFCC02261B79524C2CDE39C2AEA | Oct 16, 2011 |
| 3606930 | 0719B6F1715B37458C5A748092911CE3 | Oct 25, 2011 |
| 183397 | 5387AE9134BCBA1FC43AECD12B5069C3 | Dec 5, 2011 |
| 2639880 | 7A80FC9819444DF4F28FE5D583CD539C | Dec 23, 2011 |
| 650 | 50AD020D4C36D1C7BF3878E67DF2BA17 | Jun 29, 2012 |
| 1887 | 2B26F02309BF25F7FF01BDF69B4CFBDE | Aug 20, 2012 |
| 15466 | D959794C00F5E7DBA4F6CCCC2AB68099 | Dec 31, 2012 |
Why Is It Important to Remove Malware Files?
It is imperative that you delete malware-associated files as soon as possible because they can be used - or are already being used - to inflict serious damage on your PC, including:
- Disrupting the normal functioning of the operating system or rendering it completely useless.
- Hijacking valuable private information (credit card numbers, passwords, PIN codes, etc.)
- Directing all your Web searches to the same unwanted or malicious sites.
- Dramatically slowing down your computer.
- Gaining total control of your PC to spread viruses and trojans and send out spam.
How to Remove user.ds
- To enable deleting the user.ds file, terminate the associated process in the
Task Manager as follows:
- Right-click in the Windows taskbar (a bar that appears along the bottom of the Windows screen) and select Task Manager on the menu.
- In the Tasks Manager window, click the Processes tab.
- On the Processes tab, select user.ds and click End Process.
- Using your file explorer, browse to the file using the paths listed in Location of user.ds and Associated Malware.
- Select the file and press SHIFT+Delete on the keyboard.
- Click Yes in the confirm deletion dialog box.
- Repeat steps 2-4 for each location listed in Location of user.ds and Associated Malware.
Notes:
- The deletion of user.ds will fail if it is locked; that is, it is in use by some application (Windows will display a corresponding message). For instructions on deleting locked files, see Deleting Locked Files.
- The deletion of user.ds will fail if your Windows uses the NT File System (NTFS) and you have no write rights for the file. Request your system administrator to grant you write rights for the file.
Deleting Locked Files
You can delete locked files with the RemoveOnReboot utility. You can install the RemoveOnReboot utility from here.
After you delete a locked file, you need to delete all the references to the file in Windows registry.
To delete a locked file:
- Right-click on the file and select Send To -> Remove on Next Reboot on the menu.
- Restart your computer.
The file will be deleted on restart.
Note: In the case of complex viruses that can replicate themselves, malware files can reappear in the same locations even after you have deleted those files and restarted your computer. Exterminate It! can effectively eradicate such viruses from your computer.
To remove all registry references to a malware file:
- On the Windows Start menu, click Run.
- In the Open box, type regedit and click OK. The Registry Editor window opens.
- On the Edit menu, select Find.
- In the Find dialog box, type FILENAME. The name of the first found registry value referencing user.ds is highlighted in the right pane of the Registry Editor window.
- Right-click the registry value name and select Delete on the menu.
- Click Yes in the Confirm Value Delete dialog box.
- To delete all other references to user.ds, repeat steps 4-6.

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