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Removal instructions for DiskClean

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#1
Metallica

Metallica

    Spyware Veteran

  • GeekU Moderator
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Content is republished with permission from Malwarebytes.

What is DiskClean?

The Malwarebytes research team has determined that DiskClean is a fake anti-malware application. These so-called "rogues" use intentional false positives to convince users that their systems have been compromised. Then they try to sell you their software, claiming it will remove these threats. In extreme cases the false threats are actually the very trojans that advertise or even directly install the rogue. You are strongly advised to follow our removal instructions below.

How do I know if I am infected with DiskClean?

This is how the main screen of the rogue application looks:

Posted Image

You will find these icons on your desktop and in your taskbar:

Posted Image

And see these warnings:

Posted Image

Posted Image

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How did DiskClean get on my computer?

Rogue programs use different methods for spreading themselves. This particular one was downloaded from their site.

How do I remove DiskClean?

Our program Malwarebytes' Anti-Malware can detect and remove this rogue application.
  • Please download Malwarebytes' Anti-Malware to your desktop.
  • Double-click mbam-setup.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:

    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
  • If an update is found, it will download and install the latest version.
  • Once the program has loaded, select Perform quick scan, then click Scan.
  • When the scan is complete, click OK, then Show Results to view the results.
  • Be sure that everything is checked, and click Remove Selected. Reboot your computer if prompted.
  • When completed, a log will open in Notepad. The rogue application should now be gone.

Is there anything else I need to do to get rid of DiskClean?

  • No, Malwarebytes' Anti-Malware removes DiskClean completely.

How would the full version of Malwarebytes' Anti-Malware help protect me?

We hope our application has helped you eradicate this malicious software. If your current security solution let this infection through, you might please consider purchasing the FULL version of Malwarebytes' Anti-Malware for additional protection.

As you can see below the full version of Malwarebytes' Anti-Malware would have protected you against the DiskClean rogue. It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.


Posted Image

Technical details for experts

Signs in a HijackThis log:
C:\Program Files\DiskClean\DiskClean.exe

O4 - HKLM\..\Run: [DiskCleanMain] "C:\Program Files\DiskClean\DiskClean.exe" /Scan

Alterations made by the installer:
  File System
  ===============
    In the existing folder C:\Documents and Settings\{username}\Application Data\Microsoft\Internet Explorer\Quick Launch
      Adds the file ��ũŬ��.lnk"="12:41 21/08/10 734 bytes
    In the existing folder C:\Documents and Settings\{username}\Desktop
      Adds the file ��ũŬ��.lnk"="12:41 21/08/10 716 bytes
    Adds the folder C:\Documents and Settings\{username}\Local Settings\Temp\DiskClean
      Adds the file top_txt3.bmp"="15:23 27/04/10 20216 bytes
      Adds the file title7.bmp"="11:18 02/06/10 8936 bytes
      Adds the file title6.bmp"="11:18 02/06/10 8936 bytes
      Adds the file title5.bmp"="11:18 02/06/10 8936 bytes
      Adds the file title4.bmp"="11:18 02/06/10 8936 bytes
      Adds the file title3.bmp"="11:18 02/06/10 8936 bytes
      Adds the file title2.bmp"="11:17 02/06/10 8936 bytes
      Adds the file title1.bmp"="14:40 04/06/10 10376 bytes
      Adds the file skin.xml"="14:29 18/06/10 19344 bytes
      Adds the file show_realtime.bmp"="14:36 07/06/10 27654 bytes
      Adds the file service_bg.bmp"="19:39 02/06/10 352772 bytes
      Adds the file scan_txt_disc2.bmp"="15:52 27/04/10 3540 bytes
      Adds the file scan_txt_disc1.bmp"="15:52 27/04/10 2252 bytes
      Adds the file scan_txt4.bmp"="15:53 27/04/10 1496 bytes
      Adds the file scan_txt3.bmp"="15:53 27/04/10 1496 bytes
      Adds the file scan_txt2.bmp"="15:52 27/04/10 1496 bytes
      Adds the file scan_txt1.bmp"="15:52 27/04/10 1496 bytes
      Adds the file scan_list_bgdel.bmp"="17:40 02/06/10 581456 bytes
      Adds the file scaning_progresbar.bmp"="14:42 04/06/10 524 bytes
      Adds the file report.bmp"="17:06 08/06/10 1748 bytes
      Adds the file repair_msg_bg2.bmp"="17:47 02/06/10 156512 bytes
      Adds the file repair_msg_bg.bmp"="15:44 02/06/10 156512 bytes
      Adds the file Pop_Tray_bg.bmp"="17:41 02/06/10 300296 bytes
      Adds the file pattern_layer.bmp"="15:06 07/05/10 60792 bytes
      Adds the file minmize.bmp"="17:50 02/06/10 584 bytes
      Adds the file menu6.bmp"="18:52 02/06/10 73532 bytes
      Adds the file menu5.bmp"="18:50 02/06/10 73532 bytes
      Adds the file menu4.bmp"="18:45 02/06/10 73532 bytes
      Adds the file menu3.bmp"="18:47 02/06/10 73532 bytes
      Adds the file menu2.bmp"="18:45 02/06/10 73532 bytes
      Adds the file menu1.bmp"="18:44 02/06/10 73532 bytes
      Adds the file maxmize.bmp"="18:41 24/11/05 584 bytes
      Adds the file main_bt3.bmp"="14:35 04/06/10 4356 bytes
      Adds the file main_body.bmp"="16:56 07/06/10 598470 bytes
      Adds the file logo.bmp"="11:26 02/06/10 9000 bytes
      Adds the file last_scan_date.bmp"="15:53 27/04/10 1748 bytes
      Adds the file engine_ver.bmp"="15:53 27/04/10 2132 bytes
      Adds the file cscenter.bmp"="17:06 08/06/10 1744 bytes
      Adds the file common_exit.bmp"="22:02 14/12/05 452 bytes
      Adds the file common_dlg_backpattern.bmp"="16:41 27/04/10 30056 bytes
      Adds the file close.bmp"="14:22 02/06/10 488 bytes
      Adds the file btn_update.bmp"="11:46 02/06/10 1368 bytes
      Adds the file btn_s_yesdel.bmp"="15:38 02/06/10 7544 bytes
      Adds the file btn_s_ok.bmp"="15:36 02/06/10 4472 bytes
      Adds the file btn_s_nodel.bmp"="15:40 02/06/10 9560 bytes
      Adds the file btn_s_no.bmp"="15:37 02/06/10 4472 bytes
      Adds the file btn_s_del.bmp"="17:29 02/06/10 4472 bytes
      Adds the file btn_stop.bmp"="19:01 02/06/10 32364 bytes
      Adds the file btn_set.bmp"="09:53 11/06/10 32364 bytes
      Adds the file btn_searchpattern.bmp"="11:21 02/06/10 9956 bytes
      Adds the file btn_restore.bmp"="13:39 09/06/10 32364 bytes
      Adds the file btn_restart.bmp"="19:02 02/06/10 32364 bytes
      Adds the file btn_rescan_cancel.bmp"="14:52 11/06/10 4472 bytes
      Adds the file btn_rescan.bmp"="14:52 11/06/10 4472 bytes
      Adds the file btn_repair_msg_del.bmp"="16:07 07/05/10 8624 bytes
      Adds the file btn_repair_msg_cancel.bmp"="16:08 07/05/10 8624 bytes
      Adds the file btn_main6.bmp"="11:44 02/06/10 159896 bytes
      Adds the file btn_main5.bmp"="11:43 02/06/10 159896 bytes
      Adds the file btn_main4.bmp"="11:38 02/06/10 209144 bytes
      Adds the file btn_main3.bmp"="11:41 02/06/10 209144 bytes
      Adds the file btn_main2.bmp"="11:26 02/06/10 3460 bytes
      Adds the file btn_main1.bmp"="11:26 02/06/10 3460 bytes
      Adds the file btn_logout.bmp"="14:53 11/04/06 17736 bytes
      Adds the file btn_exit.bmp"="14:24 30/11/05 16472 bytes
      Adds the file btn_Dscan.bmp"="16:56 08/06/10 32364 bytes
      Adds the file btn_Ddel2.bmp"="13:39 09/06/10 32364 bytes
      Adds the file btn_Ddel.bmp"="13:39 09/06/10 32364 bytes
      Adds the file btn_Dcancel.bmp"="16:55 08/06/10 32364 bytes
      Adds the file btn_cure.bmp"="19:01 02/06/10 32364 bytes
      Adds the file bg.bmp"="14:34 04/06/10 1076180 bytes
      Adds the file 6_body1.bmp"="15:27 10/06/10 411534 bytes
      Adds the file 5.bmp"="18:58 02/06/10 456 bytes
      Adds the file 4_body1.bmp"="13:39 09/06/10 435764 bytes
      Adds the file 4.bmp"="18:57 02/06/10 456 bytes
      Adds the file 3.bmp"="18:56 02/06/10 456 bytes
      Adds the file 2_body1.bmp"="14:41 02/06/10 4496 bytes
      Adds the file 2.bmp"="18:56 02/06/10 456 bytes
      Adds the file 1_body1.bmp"="14:42 02/06/10 4496 bytes
      Adds the file 1.bmp"="18:54 02/06/10 456 bytes
    Adds the folder C:\Documents and Settings\{username}\Local Settings\Temp\DiskClean\list_control
      Adds the file VerticleScrollBarUpArrow.bmp"="18:35 27/04/10 716 bytes
      Adds the file VerticleScrollbarTop.bmp"="18:35 27/04/10 672 bytes
      Adds the file VerticleScrollBarThumb.bmp"="18:35 27/04/10 848 bytes
      Adds the file VerticleScrollBarSpan.bmp"="18:33 27/04/10 276 bytes
      Adds the file VerticleScrollBarDownArrow.bmp"="18:35 27/04/10 672 bytes
      Adds the file VerticleScrollbarBottom.bmp"="18:35 27/04/10 672 bytes
      Adds the file Thumbs.db"="15:41 11/06/10 5632 bytes
      Adds the file right_pattern.bmp"="18:32 27/04/10 1232 bytes
      Adds the file pattern.bmp"="05:58 10/12/05 2344 bytes
      Adds the file left_pattern.bmp"="18:32 27/04/10 192 bytes
      Adds the file HorizontalScrollBarThumb.bmp"="18:34 27/04/10 840 bytes
      Adds the file HorizontalScrollBarSpan.bmp"="18:34 27/04/10 840 bytes
      Adds the file HorizontalScrollBarRightArrow.bmp"="18:35 27/04/10 728 bytes
      Adds the file HorizontalScrollBarLeftArrow.bmp"="18:35 27/04/10 728 bytes
      Adds the file height_blank.bmp"="23:13 09/12/05 120 bytes
      Adds the file ColumnHeaderStart.bmp"="19:12 28/04/10 464 bytes
      Adds the file ColumnHeaderSpan.bmp"="19:12 28/04/10 508 bytes
      Adds the file ColumnHeaderEnd.bmp"="19:12 28/04/10 680 bytes
    Adds the folder C:\Documents and Settings\{username}\Local Settings\Temp\nsw2.tmp
      Adds the file stack.dll"="12:40 21/08/10 10240 bytes
    In the existing folder C:\Documents and Settings\{username}\Start Menu
      Adds the file ��ũŬ��.lnk"="12:41 21/08/10 1586 bytes
    Adds the folder C:\Documents and Settings\{username}\Start Menu\Programs\��ũŬ��
      Adds the file ��ũŬ��.lnk"="12:41 21/08/10 1598 bytes
      Adds the file ��ũŬ�� ����.lnk"="12:41 21/08/10 1586 bytes
    Adds the folder C:\Program Files\DiskClean
      Adds the file Uninstall.exe"="12:41 21/08/10 168902 bytes
      Adds the file SoDCUpdateServer.dat"="08:41 23/07/10 3304 bytes
      Adds the file partner.ini"="12:41 21/08/10 23 bytes
      Adds the file DiskClean.exe"="08:41 23/07/10 503808 bytes
      Adds the file DCUpdateServer.dat"="04:41 19/08/10 776 bytes
      Adds the file DCEngine.dll"="08:41 23/07/10 667648 bytes
      Adds the file DCAutoUpdate.exe"="08:40 23/07/10 462848 bytes
      Adds the file conf.ini"="12:41 21/08/10 198 bytes
    Adds the folder C:\Program Files\DiskClean\temp
    Adds the folder C:\Program Files\DiskClean\skin
      Adds the file default.avs"="08:41 23/07/10 398383 bytes
    Adds the folder C:\Program Files\DiskClean\etc
      Adds the file DCreport.exe"="08:41 23/07/10 294912 bytes
      Adds the file dcReg.exe"="08:41 23/07/10 278528 bytes
      Adds the file DCmonRemote.dll"="08:41 23/07/10 225280 bytes
      Adds the file dcMon.exe"="08:41 23/07/10 290816 bytes
      Adds the file DCFilterDriver.SYS"="08:41 23/07/10 43008 bytes
      Adds the file avSubEngine.exe"="08:40 23/07/10 4608 bytes
      Adds the file avsrvc.exe"="08:41 23/07/10 36864 bytes
      Adds the file avsrv.exe"="08:41 23/07/10 45056 bytes
    Adds the folder C:\Program Files\DiskClean\db
      Adds the file vsdb.dat"="08:41 23/07/10 172472 bytes
      Adds the file pwdb.dat"="05:06 28/07/10 231608 bytes
      Adds the file inter.dll"="08:41 23/07/10 231880 bytes
      Adds the file filter.dll"="08:41 23/07/10 232 bytes
      Adds the file avmon.dat"="08:41 23/07/10 226424 bytes
      Adds the file adtc.dat"="08:41 23/07/10 9976 bytes
      Adds the file adsub.dat"="03:17 18/08/10 217912 bytes
      Adds the file addb.dat"="08:41 23/07/10 907920 bytes
    Adds the folder C:\Program Files\DiskClean\Lang
      Adds the file kr.xml"="08:41 23/07/10 8875 bytes

  Registry
  ===============
    [HKEY_LOCAL_MACHINE\SOFTWARE\DiskClean]
      "reset"="'1'"
      "Install_Dir"="'C:\Program Files\DiskClean'"
      "ver"="'20100723'"
      "pid"="'home'"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
      "DiskCleanMain"="'"C:\Program Files\DiskClean\DiskClean.exe" /Scan'"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DiskCleanMain]
      "INSTDATE"="'20100819'"
      "DisplayIcon"="'"C:\Program Files\DiskClean\Uninstall.exe"'"
      "UninstallString"="'"C:\Program Files\DiskClean\Uninstall.exe"'"
      "DisplayName"="'��ũŬ��'"


Malwarebytes' Anti-Malware log:
Malwarebytes' Anti-Malware 1.46
www.malwarebytes.org

Database version: 4456

Windows 5.1.2600 Service Pack 3
Internet Explorer 6.0.2900.5512

8/21/2010 12:52:22 PM
mbam-log-2010-08-21 (12-52-22).txt

Scan type: Quick scan
Objects scanned: 118242
Time elapsed: 3 minute(s), 50 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 1
Registry Keys Infected: 2
Registry Values Infected: 1
Folders Infected: 0
Files Infected: 15

Memory Processes Infected:
C:\Program Files\DiskClean\DiskClean.exe (Rogue.DiskClean) -> Unloaded process successfully.

Memory Modules Infected:
C:\Program Files\DiskClean\DCEngine.dll (Rogue.EbizNetwork) -> Delete on reboot.

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DiskCleanMain (Rogue.DiskClean) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\DiskClean (Rogue.DiskClean) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diskcleanmain (Rogue.DiskClean) -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Program Files\DiskClean\DCEngine.dll (Rogue.EbizNetwork) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\DiskClean.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\DCAutoUpdate.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\DCUpdateServer.dat (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\Uninstall.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\partner.ini (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\SoDCUpdateServer.dat (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\avsrv.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\avsrvc.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\avSubEngine.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\DCFilterDriver.SYS (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\dcMon.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\dcReg.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\DCmonRemote.dll (Rogue.DiskClean) -> Quarantined and deleted successfully.
C:\Program Files\DiskClean\etc\DCreport.exe (Rogue.DiskClean) -> Quarantined and deleted successfully.


As mentioned before the full version of Malwarebytes' Anti-Malware could have protected your computer against this threat.
We use different ways of protecting your computer(s):
  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.
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