W32.Hedong.A@mm

W32.Hedong.A@mm

W32.Hedong.A@mm нь єєрийн SMTP тохиргоог ашиглан имэйлээр тархдаг worm юм. Уг
worm нь системийн цагаас хамаарч Hello.exe эсвэл Hello.vbs гэсэн нэртэй уг worm-ыг
агуулах хавсралт файл бvхий захиаг илгээдэг. Мєн єєрийгєє %System%\Exporler.exe
гэсэн нэртэйгээр хуулдаг байна.

Ижил тєрлийн worm-ууд: WORM_DONGHE.A, W32/Hedong@MM

Тєрєл: worm
Илэрсэн он сар єдєр: 2002.5.16
Хор хохирол учруулах зэрэг: 2
Хэмжээ: 49152 эсвэл 2301 байт
Хор хохирол:
– Уг worm-ыг агуулах VBS файл нь ".exe", ".dll", ".dat",
".doc", ".mp3" єргєтгєлтэй бvх файлуудыг устгадаг бєгєєд ,
санамсаргvй сонгогдсон имэйл хаягууд руу захиа илгээдэг байна.
– Hello.vbs файл нь ".exe", ".dll", ".dat", ".doc",
".mp3" єргєтгєлтэй файлуудыг устгадаг.
Захианы subject: Янз бvр байна.
Хавсралт файлын нэр: hello.exe or hello.vbs

W32.Hedong.A@mm нь идэвхжиж эхлээд дараах vйлдлvvдийг хийнэ.
– Єєрийн SMTP тохиргоог ашиглан имэйлээр тархана.
– Доорх серверvvдтэй холбогдохыг оролдоно.
· smtp.citiz.net
· smtp.china.com
· smtp.sina.com
· smtp.263.net
· smtp.sohu.com
· smtp.163.net
· smtp.163.com
– Системын цаг 3-т хуваагдахаар байвал Hello.exe, 3-т хуваагдахааргvй байвал Hello.vbs
гэсэн нэртэй хавсралт файлуудыг имэйлээр илгээнэ.
– Єєрийгєє \%System%\Exporler.exe гэсэн нэртэйгээр хуулна.
– HKEY_LOCAL_MACHINE\Software\CLASSES\exefile\
shell\open\command регистрт %System%\Exporler.exe %1 %* гэсэн утга нэмж єгнє.

– Hello.vbs файл идэвхижсэн бол дараах нэмэлт функцуудыг гvйцэтгэнэ.
Єєрийгєє \%System%\MSKernel.vbs болон %Windows%\Win32Dll.vbs гэсэн
нэртэйгээр хуулж,
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
регистрт MSKernel32 %System%\MSKernel32.vbs Win32Dll
%Windows%\Win32Dll.vbs утгуудыг нэмж єгнє.
– Internet Explorer-ын home page-ыг http:/ /www.hziee.edu.cn болгон єєрчилнє.

– Хамгийн сvvлд Hello.vbs файл нь сvлжээний бvх драйверуудад байгаа .exe, .dll,
.dat, .doc, .mp3 єргєтгєлтэй файлуудыг устгана.

Хэрхэн арилгах вэ?
Уг worm-ыг арилгахын тулд эхлээд HKEY_LOCAL_MACHINE\Software\
CLASSES\exefile\shell\open\command регистрыг restore хийж, регистрт орсон єєрчлєлтvvдийг
арилган, халдварласан файлуудыг устгаж, Internet Explorer -ын home page-ыг дахин
тохируулна.
Халдварласан файлуудыг устгахдаа :
1. Хамгийн сvvлийн vеийн update хийгдсэн вирусын эсрэг программтай эсэхээ шалгах
2. Norton Antivirus-аар системийг бvхэлд нь scan хийж шалгах шаардлагатай.
3. W32.Hedong.A@mm – аар халдварлагдсан бvх файлыг устгах хэрэгтэй.

Regestry-г хэрхэн засварлах вэ?
1. Start цэсний Run ийг эхлvvлнэ.
2. Regedit гэж бичихэд Regestry-г засварлах цонх гарч ирнэ.
3. HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices рvv
орж баруун талын цонхонд байгаа
Win32Dll %Windows%\Win32Dll.vbs утгыг устгана.
4. HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run регистрт байгаа
MSKernel32 %System%\MSKernel32.vbs утгыг устгана.
5. Regestry -г дарж Exit гээд дуусгана.

Internet Explorer-ын home page-ыг хэрхэн дахин суулгах вэ?
1. Microsoft Internet Explorer-ыг ажиллуулна.
2. Интернэт руу холболт хийж єєрийн хvссэн вэб хуудсаа Internet, home page-ээр
сонгоно.
3. Tools цэсний Internet Options руу орж
Home page хэсгийн General tab-аас Use Current-ыг сонгон OK-ыг дарна.

 

{mos_fb_discuss:2} 

Date: September 26th, 2007 | Categories: Вирус | By: | Comments: 3,183

3,183 Responses to W32.Hedong.A@mm

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