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March 11, 2011

Trojan dan virus autorun terbaru serta pencegahannya

Filed under: asal usul,tips,windows — Tags: , — sikathabis @ 08:34

Lagi iseng-iseng buka flash disk yang terkena virus di makassar beberapa minggu yang lalu, coba menganalisa apa sih yg virus/trojan/worm tersebut lakukan. Ada 2 kategori yang terdapat di flash disk tersebut, yaitu Trojan dan Trojan, virus.

Kemudian saya cari-cari, dapat lah file a.bat, a.txt, b.txt, ctxt.txt dan avi.log, mp3.log, mp4.log, mp5.log

TROJAN, menggunakan fasilitas autorun USB (tapi tekniknya bukan autorun.inf, dia memakai cara yang lebih dalem lagi) ninja, smadav atau pcmav bakalan lewat oleh teknik ini. Teknik trojan ini mengaktifkan terminal services untuk remote komputer korban kemudian create user dengan level administrator (ada 3 teknik yg mereka lakukan, bisa anda baca di a.txt, b.txt dan ctxt.txt)

Symantec pun hanya mendeteksi replika dari tojan di flashdisk ini yaitu Trojan.ADH, sedangkan file inti-nya, yaitu file-file yg saya sebutkan diatas, belom terdeteksi, kalau batch dan text file mungkin tidak akan terdeteksi karena kategorinya sebagai eksekusi regedit terminal service, akan tetapi avi.log, mp3.log, mp4.log, mp5.log yang merupakan cikal bakal trojan, di virustotal.com pun tidak mendeteksi file tersebut adalah trojan.

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January 4, 2011

IP Forwarding

Filed under: tips,windows — Tags: — sikathabis @ 10:33

links : http://www.home-network-help.com/ip-forwarding.html
How to make Windows XP as a Router

…….

1) Go to Start and click Run…, then type in regedit to run registry editor.

regedit

Note: Please note that only System Administrator can run registry editor.

2) Registry editor window will appear. Browse for the following registry key at the left hand side window:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters

Right click IPEnableRouter registry object, and click Modify.

Note: Be extra careful when you deal with registry editor, wrong editing will crash you Windows OS.

IPEnableRouter

3) The IPEnableRouter window will appear. Type 1 as Value data and click OK.

IP Forwarding

4) Close the regisrty editor and reboot the computer. After rebooting, all the computers should be able to access Internet and also share the file/printer between network A and B.

Note: When I did the test, IP forwarding will only work after rebooting the computer. So don’t forget to do it.

Note: If you feel the above process is too troublesome, advise you to get awireless router or wired router and set up a simple network. It’s much easier!!

May 20, 2010

Fix “Word Cannot Start the Converter MSWRD632.WPC” Error

Filed under: tips,windows — Tags: , — sikathabis @ 14:05

linkshttp://helpdeskgeek.com/office-tips/word-cannot-start-the-converter-mswrd632-wpc/

Recently, I had a user in my office get the following error when trying to open a Word document:

Word cannot start the converter mswrd632.wpc.

Whenever the user clicked the OK button, it would simply pop back up. What was really weird is that if she clicked on the red X button, the document would open just fine! Strange!

The user was running Office 2007 and getting this error. After doing some research, we came across a few possible solutions. In this post, I’ll list them out here.

Method 1 – Unregister Text Converter

Basically, in Windows XP SP2 and above and Windows Server 2003 SP1 and above, if you have a plain text file or another kind of file that is not a Microsoft Word file, but has a .doc extension, you will get this error.

This can also happen if you are opening a really old document created by Word for Windows 6.0 or Word 97 documents. In this case, you can disable the mswrd632 converter so you don’t get this error. The files will then be opened by the Microsoft Office text converters.

You can unregister this converter by going to Start, then run and typing regedit. Then navigate to the following key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Text Converters\Import\MSWord6.wpc

mswrd632 error word

Right-click on the MSWord6.wpc key in the left hand pane and choose Delete. If you have a Word 97 document, you should still be able to open it in Word 2003 or 2007. However, you will not be able to open these files in WordPad anymore. You’ll get an error like:

Cannot load Word for Windows 6.0 files

If you really have to use WordPad to open Word 6.0/95 files, you can re-enable the Word 6.0/95 for Windows and Macintosh to RFT converter. Open the registry and go to the following keys:

For 32-bit versions of Windows

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\ Applets\Wordpad

For Microsoft Windows on Windows 64 (WOW) mode

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\ CurrentVersion\Applets\Wordpad

If the Wordpad key is not there in the left-hand pane, create it. After that, create a new DWORD value in the right-pane called AllowConversion and give it a value of 1.

Method 2 – Copy the MSWrd632.wpc File

The other way to solve this issue is to copy the MSWrd632.wpc file from another computer to the computer having problems.

The only issue with this is that it is less secure and makes your computer vulnerable to a possible security hack, so don’t do this unless you really have to or that computer is not connected to the Internet.

You can usually find this file in the following path:

C:\Program Files\Common Files\Microsoft Shared\TextConv\

That’s about it! If you are still having this problem, post a comment here and I’ll try to help! Enjoy!

another links: http://support.microsoft.com/kb/973904

Known issues with this security update

  • When a file has a “.doc” or “.docx” file name extension, but the content is a plain text file or another kind of file that is not a Microsoft Word binary file, and that file is opened in Microsoft Word, you may receive the following error message up to three times before Microsoft Office Word successfully opens the file:
    Word cannot start the converter mswrd632

    To resolve this issue, an affected user can unregister the mswrd632 converter. To have us unregister the mswrd632 converter for you, go to the “Fix it for me” section. If you would rather unregister the mswrd632 converter yourself, go to the “Let me fix it myself” section.

    Fix it for me

    To fix this problem automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.

    a.button { background: url(/library/images/support/KBGraphics/PUBLIC/cn/FixItButton.jpg) no-repeat 0 0; width: 139px; height: 56px; display:block; cursor:pointer; } a.button:hover { background-position: bottom right; } Fix this problem
    Microsoft Fix it 50352

    Note This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.

    Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or a CD and then run it on the computer that has the problem.

    This change will effectively unregister the converter and disable it for third-party applications and for Microsoft Office. Microsoft Office will use its own text converters to open these kinds of files.

    Once you run the Fix it solution above, you are finished with this article.

    Let me fix it myself

    To unregister the mswrd632 converter yourself, edit the registry as follows:

    1. Click Start, click Run, type regedit, and then click OK.
    2. Locate and then click the following registry subkey:
      • For 32-bit versions of Windows:
        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Text Converters\Import\MSWord6.wpc
      • For 64-bit versions of Windows:
        HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Shared Tools\Text Converters\Import\MSWord6.wpc
    3. On the Edit menu, click Delete.
    4. Click Yes.
    5. Exit Registry Editor.

    This change will effectively unregister the converter and disable it for third-party applications and for Microsoft Office. Microsoft Office will use its own text converters to open these kinds of files.

Functionality changes with this security update

  • This security update deploys additional changes to the way that Windows and third-party components use the Word 6.0/95 for Windows and Macintosh to RTF converter.By default, Windows XP SP2, Windows XP SP3, and Windows Server 2003 SP2 operating systems already prevent WordPad from parsing Word 6.0 and Write documents by disabling this text converter. Additionally, this mechanism is deployed on other platforms when security update 885836 (security bulletin MS04-041) is installed. On these platforms, when you open a Word for Windows 6.0 document in WordPad, you receive an error message that resembles the following:
    Cannot load Word for Windows 6.0 files

    Write files are parsed as plain text files, but no message is shown. This behavior is described in Microsoft Knowledge Base article 870883.

    This security update will enforce this mechanism more strictly. The restriction now applies to other applications that use the Word 6.0 converter that is included with Windows as part of the WordPad application. By default, third-party applications can no longer use the converter to parse these older file formats.

    If an administrator requires the Word 6.0/95 for Windows and Macintosh to RTF converter, you can re-enable the converter by adding an AllowConversion registry entry with a DWORD value of 1. To do this, follow these steps:

    1. Click Start, click Run, type regedit, and then click OK.
    2. Locate and then click the following registry subkey. Or, create it if it is not present.
      • For 32-bit versions of Windows:
        HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Applets\Wordpad
      • For 64-bit versions of Windows:
        HKEY_LOCAL_MACHINE\Software\Wow6432Node\microsoft\Windows\CurrentVersion\Applets\Wordpad
    3. On the Edit menu, point to New, and then click DWORD Value.
    4. Type AllowConversion for the name of the DWORD, and then press ENTER.
    5. Right-click AllowConversion, and then click Modify.
    6. In the Value data box, type 1, and then click OK.
    7. Exit Registry Editor.

    After you set this registry key value to 1, third-party applications can load the Word 6.0/95 for Windows and Macintosh to RTF converter. Please be aware that setting this registry key removes the protection that was added by this security update. Therefore, it should be done only when you trust the source of the files that are loaded by this converter. You can also disable this converter by setting the registry key value to 0.

    If the registry value AllowConversion is not set to 1 or does not exist, and if a Windows component or third-party application tries to open a Word 6.0 file by using the Word 6.0/95 for Windows and Macintosh to RTF converter, the file will not open, and a dialog box will be displayed.

April 2, 2010

Cara mengaktifkan tombol RUN pada Windows 7

Filed under: tips,windows — Tags: — sikathabis @ 14:25

Reposting dan konversi ke bahasa Indonesia dari Blogsdna

- click start menu, lalu click kanan, click properties

- pada tab start menu click customize

Click to continue reading “Cara mengaktifkan tombol RUN pada Windows 7″

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