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Added to the Dr.Web virus database: 2019-10-10

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'nuoaso' = '%HOMEPATH%\nuoaso.exe /c'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\pushkin.exe
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\weeklysheet1215.exe
  • <Drive name for removable media>:\fi51.exe
  • <Drive name for removable media>:\dashborder_192.exe
  • <Drive name for removable media>:\dial.exe
  • <Drive name for removable media>:\default.exe
  • <Drive name for removable media>:\dialmap.exe
  • <Drive name for removable media>:\delete.exe
  • <Drive name for removable media>:\archer.exe
  • <Drive name for removable media>:\split.exe
  • <Drive name for removable media>:\nuoaso.exe
  • <Drive name for removable media>:\parnas_01.exe
  • <Drive name for removable media>:\168.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system
Creates the following files
  • %HOMEPATH%\nuoaso.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\nuoaso.exe
  • <Drive name for removable media>:\autorun.inf
Network activity
Connects to
  • '':8000
Creates and executes the following
  • '%HOMEPATH%\nuoaso.exe'

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