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TR/NSAnti.B.4 - Trojan
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Scurta descriere
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Nume:
TR/NSAnti.B.4
Descoperit pe data de:
28/07/2006
Tip:
Troian
ITW:
Nu
Numar infectii raportate:
Scazut
Potential de raspandire:
Scazut
Potential de distrugere:
Mediu
Fisier static:
Da
Marime:
47.235 Bytes
MD5:
6fa72cbba8f23eae2797557c704095e5
Versiune VDF:
6.35.01.15
Versiune IVDF:
6.35.01.15
General
Metoda de raspandire:
• Nu are rutina proprie de raspandire
Alias:
• Symantec: Trojan.PWS.QQPass
• Kaspersky: Trojan-PSW.Win32.QQPass.jg
• TrendMicro: TSPY_QQPASS.QW
• Bitdefender: Trojan.NSAnti.B
Sistem de operare:
• Windows 95
• Windows 98
• Windows 98 SE
• Windows ME
Efecte secundare:
• Creeaza un fisier malware
• Inregistreaza intrarile de la tastatura
• Modificari in registri
• Sustrage informatii
Fisiere
Se copiaza in urmatoarea locatie:
•
%SYSDIR%
\SVOHOST.EXE
Sterge copia initiala a virusului.
Sterge urmatoarele fisiere:
•
%SYSDIR%
\KAKATOOL.DLL
•
%SYSDIR%
\DQHX.TXT
Este creat fisierul:
–
%SYSDIR%
\WINSCOK.DLL Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: TR/PSW.QQPass.JG
Registrii sistemului
Urmatoarea cheie este adaugata in registri pentru a rula procesul la repornirea sistemului:
– HKLM\Software\Microsoft\Windows\CurrentVersion\Run
• "SoundMam"="
%SYSDIR%
\SVOHOST.exe"
Valorile urmatoarelor chei sunt sterse din registrii sistemului:
– HKLM\Software\Microsoft\Windows\CurrentVersion\Run
• RavTask
• KvMonXP
• YLive.exe
• yassistse
• KAVPersonal50
• NTdhcp
• Winhoxt
Se adauga in registrii sistemului:
– HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
• "hx-1"="
%numar%
"
Urmatoarea cheie din registri este modificata:
– HKLM\Software\Microsoft\Windows\CurrentVersion\explorer\Advanced\
Folder\Hidden\SHOWALL
Noua valoare:
• "CheckedValue"="0"
Detaliile fisierului
Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit un program de compresie runtime.
Pentru o descriere scurta click
aici
.
Descriere introdusa de Ionut Slaveanu la Wed, 09 Aug 2006 16:48 (GMT+1)
Descriere actualizata de Andrei Ivanes la Mon, 28 Aug 2006 12:34 (GMT+1)
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