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TR/Dldr.Nurech.BG - Trojan
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Nume:
TR/Dldr.Nurech.BG
Tip:
Troian
Subtip:
Downloader
ITW:
Da
Numar infectii raportate:
Ridicat
Potential de raspandire:
Mediu
Potential de distrugere:
Scazut
Fisier static:
Da
Marime:
23.552 Bytes
MD5:
041c6826efdea3f72b167ea7a535978c
Versiune VDF:
6.38.00.223
Versiune IVDF:
6.38.00.227
General
Metoda de raspandire:
• Nu are rutina proprie de raspandire
Alias:
• Mcafee: Downloader-AAP trojan
• Kaspersky: Trojan-Downloader.Win32.Nurech.bg
• TrendMicro: TROJ_DLOADER.HBH
• F-Secure: Trojan-Downloader.Win32.Nurech.bg
• Sophos: Troj/Clagger-BB
• Eset: Win32/TrojanDownloader.Nurech.BG trojan
• Bitdefender: Trojan.Downloader.Nurech.AI
Sistem de operare:
• Windows 95
• Windows 98
• Windows 98 SE
• Windows NT
• Windows ME
• Windows 2000
• Windows XP
• Windows 2003
Efecte secundare:
• Descarca fisiere
• Descarca un fisier malware
• Modificari in registri
Fisiere
Se copiaza in urmatoarea locatie:
•
%SYSDIR%
\iisca.exe
Sunt create fisierele:
– Fisiere inofensive:
•
%SYSDIR%
\DRIVERS\qias.tx
•
%temporary internet files%
\im[1].txt
Incearca sa descarce un fisier:
– Adresa este urmatoarea:
• http://knowledgecentral.co.uk**********/3.exe
Fisierul este stocat pe hard disc la:
%SYSDIR%
\3.exe In plus, acest fisier este executat dupa ce este descarcat de pe Internet. Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: TR/Spy.BZub.IR
Registrii sistemului
Urmatoarea cheie este adaugata in registri pentru a rula procesul la repornirea sistemului:
– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
• "gtydf"="iisca.exe"
Pentru o descriere scurta click
aici
.
Descriere introdusa de Viktor Graeber la Tue, 17 Apr 2007 15:42 (GMT+1)
Descriere actualizata de Viktor Graeber la Wed, 18 Apr 2007 09:14 (GMT+1)
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