Exterminate It! Antimalware

malpedia

Known threats:699,742 Last Update:November 20, 22:46

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Having wasted better part of a day on a Vundo infection, which none of the antivirus/antispyware solutions I normally use came even close to handling (one of them actually compounded the problem due to a partial fix, causing all browsers to seemingly lose connectivity after a few seconds), Exterminate It! fixed it in a single pass and one restart.

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File: cdfss

Location of cdfss and Associated Malware

Check whether cdfss is present in the following locations:

cdfss file locations that are Windows version independent:

  • [%ANY_DRIVE%]\TEMP\cdfss

Windows 2000, Windows XP, Windows Server 2003 specific cdfss file locations:

  • C:\Documents And Settings\USER_NAME\Local Settings\Temp\cdfss

Windows Vista, Windows Server 2008, Windows 7, Windows 8 specific cdfss file locations:

  • C:\Users\USER_NAME\AppData\Local\Temp\cdfss

If you find cdfss file in any of these locations, your computer is very likely to be infected with the following malware:

IMPORTANT: Malware files can be camouflaged with the same file names as legitimate files. The cdfss file is associated with malware only if found in the locations listed above.

Notes:

Different Variations of cdfss File^

File SizeFile Md5Last Seen
3056018D2DC7CB507C60E024AF811E50F3C49Dec 15, 2010
31584C51BF02AC4377B17E6A2AF82CB9B7D0CDec 21, 2010
315846040902E6B0C49586022AC2FEF1B8B77Jan 2, 2011
3158417947CD9D49A9551CB90032C86F90F73Jan 11, 2011
31584E875A982CF15BD0E33CAC4DB0908A09EJan 21, 2011
3158447B50F16E30D5F09EDED45CD6AF93D2DJan 22, 2011
3158420E3D15674D5EDAE33CECDBAA4889F23Jan 26, 2011
3158494CF55F03FF319F54C068339B74649BBJan 26, 2011
3158446ACB285592A5E2283EEA5C8FFBBDDEAJan 29, 2011
3158418380011E70EA7B94D5DBE96CEA4E8BAJan 29, 2011
31584E92D9EE157717CE8BC88F3238494A004Feb 1, 2011
3158417745E778AB7AB296CDF721EA47423C2Feb 3, 2011
3056037588D5935E3234137A2B19EFBF1A6DCFeb 8, 2011
30560BA2F19F33F1A621AC4968091C5F6CB29Feb 14, 2011
30560177C1A16C3491A98FBCEB5E80E462DA0Feb 20, 2011
30560374B18F6526B55B581EB92625F56D731Mar 5, 2011
305604CFFD510315FC11A0105EC86142D03BBMar 5, 2011
305601AE7EBACF7172A858E3151B11029BCB7Mar 5, 2011
3056095B0CA3BB75BBBCBD980FD9B3547CA0FMar 6, 2011
3056048FE3C5E183C963B3846E80D8979AF27Mar 10, 2011
30560C65C7720C52CE189ECB8FE8AB9B91F57Mar 10, 2011
305603CB6A6910F603759370025D78675DAA9Mar 11, 2011
305609789D3B542BDE5D3C0F37ADCFB71C8EEMar 30, 2011
3056034E8BF3D21C7FBD6A283DC00A0FD50B8Apr 1, 2011
305605EC3667A470FF6E6576429BE1F984E75Apr 3, 2011
30560BB3C93AFD61CF0BD65A815E438446C2EApr 6, 2011
30560F9CFD9AFDBFE80627616624FE2199B9BApr 11, 2011
305607F22775C17B1EDF582465F2A94E942FDApr 12, 2011
3056055FE8145E2BBD1AF493AC44FBFE52B27Apr 12, 2011
30560119638FABD65380A582FA162B608D7FAApr 16, 2011
3056065E53B7E8C92C60A82DBD990C8348C73Apr 22, 2011
30560A827799AF91E4F19FD7E70531CE9E5E7Apr 28, 2011
31584F4D6C720174AB3278042AB04D12016ECMay 3, 2011
30560D3EA842744F994979127AFF0A5890313May 11, 2011
3056075E2D5279F0B11FCC06EA02584C8DB3DMay 14, 2011
30560140FB48CB6969038A55C7A27ECEF238DMay 18, 2011
305601C4DD65568C4CD6D711ACAF4DCC88477May 19, 2011
3056039AEFCC2666417FF4DCC237648BDCF39May 28, 2011
30560468F1DD294A5C24FC93300B31E23A5E4May 31, 2011
3056058E8898F885D1F7523AD56F91634F400Jun 3, 2011
305601CACE7C17124DE34FE4BB5741F5775A7Jun 12, 2011
305608364FC1DC7400FD138F0A6AD3F270633Jun 21, 2011
31584B630A81D0AB3F9A51E4633714B860EA3Jun 21, 2011
30560CF115BAF5548124F4DECD9FF5720C7CCJun 21, 2011
315849291D32E534361212A89C157D4F82996Jul 17, 2011
305607846D751358266152795895E18E9EB98Jul 24, 2011
3056090965F57D6CF5F9383CF2BE04C3B27D8Sep 15, 2011
305603248CB055DE7370216C7F25B9B5BE63EJan 24, 2012
315840B304486DB265D07BA0DBC50086A859ADec 22, 2010

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 cdfss^

  1. To enable deleting the cdfss 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 cdfss and click End Process.
  2. Using your file explorer, browse to the file using the paths listed in Location of cdfss and Associated Malware.
  3. Select the file and press SHIFT+Delete on the keyboard.
  4. Click Yes in the confirm deletion dialog box.
  5. Repeat steps 2-4 for each location listed in Location of cdfss and Associated Malware.
  6. Notes:

    • The deletion of cdfss 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 cdfss 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:

  1. Right-click on the file and select Send To -> Remove on Next Reboot on the menu.
  2. 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! Antimalware can effectively eradicate such viruses from your computer.

To remove all registry references to a cdfss malware file:

  1. On the Windows Start menu, click Run.
  2. In the Open box, type regedit and click OK. The Registry Editor window opens.
  3. On the Edit menu, select Find.
  4. In the Find dialog box, type cdfss. The name of the first found registry value referencing cdfss is highlighted in the right pane of the Registry Editor window.
  5. Right-click the registry value name and select Delete on the menu.
  6. Click Yes in the Confirm Value Delete dialog box.
  7. To delete all other references to cdfss, repeat steps 4-6.
IMPORTANT: Malware files can masquerade as legitimate files by using the same file names. To avoid deleting a harmless file, ensure that the Value column for the registry value displays exactly one of the paths listed in Location of cdfss and Associated Malware.