下面是引用Zwisely於2008-07-02 20:31發表的 :
我想的到可能的原因
最近流行的 kavo、taso、ubs 等 USB 病毒除了會感染電腦及隨身碟的每個磁碟區之外，更會藉由修改資料夾選項的功能去讓系統無法"顯示所有檔案和資料夾"和取消"隱藏保護的作業系統檔案"的選項來隱藏自己
【版本升級資訊】
OverUSBWorm.zip 為原 kavo.zip 的升級版，其可刪除 kavo.exe、ubs.exe、goods.exe、taso.exe、tavo.exe 等病毒，詳情請參見壓縮檔中的OverUSBWorm.zip 升級說明。
http://blog.xuite.net/antivirus/hisecure/13816147
這邊有詳細的說明
很有用謝謝, 下面是解決方法↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden]
"Text"="@shell32.dll,-30499"
"Type"="group"
"Bitmap"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,53,00,\
48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,34,00,00,\
00
"HelpID"="shell.hlp#51131"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
"Text"="@shell32.dll,-30501"
"Type"="radio"
"CheckedValue"=dword:00000002
"ValueName"="Hidden"
"DefaultValue"=dword:00000002
"HKeyRoot"=dword:80000001
"HelpID"="shell.hlp#51104"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
"Text"="@shell32.dll,-30500"
"Type"="radio"
"CheckedValue"=dword:00000001
"ValueName"="Hidden"
"DefaultValue"=dword:00000002
"HKeyRoot"=dword:80000001
"HelpID"="shell.hlp#51105"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Hidden"=dword:00000001
