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Trojan.DnsChange.16681

Aggiunto al database dei virus Dr.Web: 2023-02-06

La descrizione è stata aggiunta:

Technical Information

Malicious functions
To complicate detection of its presence in the operating system,
modifies the following system settings:
  • DNS server to '<DNS_SERVER>'
  • DNS server to '114.114.114.114'
Injects code into
the following user processes:
  • d1e74b1.exe
Modifies file system
Creates the following files
  • %HOMEPATH%\desktop\<File name>.lnk
  • <Current directory>\gd7d49\bb37607ea\d42fd7f788\8e06awsfb.exe
  • <Current directory>\gd7d49\edf760\46ddcxsez.dll
  • <Current directory>\gd7d49\dafc84f\9390wrdyt.dll
  • <Current directory>\gd7d49\c9106cf0\dae9rdytf.dll
  • <Current directory>\gd7d49\e127214\51e5widyk.dll
  • <Current directory>\gd7d49\a38b55881\55e8favhc.dll
  • <Current directory>\gd7d49\g0c324\d59cytfav.dll
  • <Current directory>\gd7d49\bb37607ea\i7ec52\45cdpbwrd.dll
  • <Current directory>\gd7d49\bb37607ea\b42af98dd9\36e9tpbwr.dll
  • <Current directory>\gd7d49\bb37607ea\f57df3b50c3\7ed2rm7to.dll
  • <Current directory>\gd7d49\bb37607ea\ee8f76e\d1e74b1.ini
  • <Current directory>\gd7d49\bb37607ea\b7005a\b7f1h3qm8.dll
  • <Current directory>\gd7d49\bb37607ea\fc9d302e\c9aahcxje.dll
  • <Current directory>\gd7d49\bb37607ea\e6b16000cab6\3b2ftoavq.dll
  • <Current directory>\gd7d49\bb37607ea\eac798\f7d2rdytf.dll
  • %LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012023020620230207\index.dat
  • <Current directory>\gd7d49\bb37607ea\ge50ba490d6\5bfbsfbxk.dll
  • <Current directory>\gd7d49\ed0d49
  • %ProgramFiles(x86)%\mirc\d1e74b1.exe
  • <Current directory>\gd7d49\h854f1b\e7e3hdzmi.dll
  • <Current directory>\gd7d49\bb37607ea\h6104504b46a\e8f5ytfav.dll
Deletes the following files
  • %LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012023020620230207\index.dat
Network activity
Connects to
  • '18#.#54.116.116':80
  • '11#.#9.29.29':80
UDP
  • DNS ASK a.##fz.com
  • DNS ASK xi###ufang.com
  • DNS ASK yu###ijia.com
  • DNS ASK ka##hun.com
  • DNS ASK jd##.info
  • DNS ASK ku##u.com
  • DNS ASK ca##0.com
  • DNS ASK ku###i100.com
  • DNS ASK em#.com.cn
  • DNS ASK hu##ng.com
  • DNS ASK x-##l.com
  • DNS ASK 64##5.com
  • DNS ASK ic.#et.cn
  • DNS ASK cl#.im
  • DNS ASK qi##u.com
  • DNS ASK ju##ng.com
  • DNS ASK dc###d.net.cn
  • DNS ASK iw##cai.com
  • DNS ASK il###gcang.com
  • DNS ASK bo##css.com
  • DNS ASK w7##0.com
  • DNS ASK fi##law.cn
  • DNS ASK cr##3.com
  • DNS ASK ge###ang.org
  • DNS ASK as###.com.cn
  • DNS ASK lu###gsong.com
  • DNS ASK do##xia.com
  • DNS ASK da.##aa.site
  • DNS ASK ic###nglan.com
  • DNS ASK si###loud.com
  • DNS ASK al##un.com
  • DNS ASK 7k##.com
  • DNS ASK du##e.com
  • DNS ASK 11#.com
  • DNS ASK i4.cn
  • DNS ASK zt#.com
  • DNS ASK as##.com.cn
  • DNS ASK yi###nzixun.com
  • DNS ASK ji###uoyun.com
  • DNS ASK du##.com
  • DNS ASK ci##ews.com
  • DNS ASK hu##ei.com
  • DNS ASK 18##3.com
  • DNS ASK hi##ina.com
  • DNS ASK 17##3.com
  • DNS ASK yo##h.cn
  • DNS ASK vi##.com.cn
  • DNS ASK be##on.com
  • DNS ASK ji##lu.cn
  • DNS ASK so##dot.org
  • DNS ASK el###ans.com
  • DNS ASK ka##n.cn
  • DNS ASK ix##ua.com
  • DNS ASK 9g##e.cn
  • DNS ASK yi##e.com
  • DNS ASK gu##cha.cn
  • DNS ASK mi.com
  • DNS ASK tm##l.com
  • DNS ASK zh##u.com
  • DNS ASK jb##.net
  • DNS ASK au###ome.com.cn
  • DNS ASK hu##.com
  • DNS ASK cc##.com
  • DNS ASK te##ent.com
  • DNS ASK ea###oney.com
  • DNS ASK cd##m.cn
  • DNS ASK jm#.com.cn
  • DNS ASK fo###ate.net
  • DNS ASK bo##118.com
  • DNS ASK yo##ao.com
  • DNS ASK 16##.com
  • DNS ASK jd.com
  • DNS ASK ba##u.com
  • DNS ASK so.com
  • DNS ASK si##.com.cn
  • DNS ASK qq.com
  • DNS ASK so##u.com
  • DNS ASK so##.com
  • DNS ASK iq##i.com
  • DNS ASK ku###hou.com
  • DNS ASK do##in.com
  • DNS ASK ha##23.com
  • DNS ASK wi###ang.com
  • DNS ASK it##52.com
  • DNS ASK 10###a.com.cn
  • DNS ASK pc###o.com.cn
  • DNS ASK xu##ei.com
  • DNS ASK wa####reetcn.com
  • DNS ASK fo###anghai.com
  • DNS ASK 58##u.com
  • DNS ASK xi####zhijia.net
  • DNS ASK ch###gkit.com
  • DNS ASK tu##u.com
  • DNS ASK ne##ase.com
  • DNS ASK 21##od.cn
  • DNS ASK ih#.cn
  • DNS ASK to##r.im
  • DNS ASK im##er.com
  • DNS ASK sa###a1st.com
  • DNS ASK xi##man.cn
  • DNS ASK ic##font.cn
  • DNS ASK ui##c.com
  • DNS ASK ct##p.com
  • DNS ASK mi###ideo.com
  • DNS ASK mo##plus.cn
  • DNS ASK ip#.hk
  • DNS ASK 58##c.com
  • DNS ASK we#t.cn
  • DNS ASK hu##u.com
  • DNS ASK ip##8.com
  • DNS ASK ti###########bkjjdrkcip.cn-hangzhou.fcapp.run
Miscellaneous
Searches for the following windows
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebCheckMonitor' WindowName: ''
Creates and executes the following
  • '%ProgramFiles(x86)%\mirc\d1e74b1.exe' WfCSKCcwHx8qkoJ2HoEwPHsme04=

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android