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Trojan.DownLoader45.54425
Added to the Dr.Web virus database:
2023-04-15
Virus description added:
2023-04-17
Technical Information
Modifies file system
Creates the following files
D:\windows\system32\config\software.log1
D:\program files (x86)\crdbf\demo\supl\is-gtpll.tmp
D:\program files (x86)\crdbf\demo\supl\is-r2fre.tmp
D:\program files (x86)\crdbf\demo\supl\is-r78ti.tmp
D:\program files (x86)\crdbf\is-2f12h.tmp
D:\program files (x86)\crdbf\is-077uj.tmp
D:\program files (x86)\crdbf\is-q2or7.tmp
D:\program files (x86)\crdbf\repairdbf.ini
D:\program files (x86)\crdbf\demo\supl\is-ficnc.tmp
D:\program files (x86)\crdbf\demo\supl\is-mkioh.tmp
D:\program files (x86)\crdbf\unins000.dat
D:\system volume information\syscache.hve
D:\users\user\appdata\local\temp\license.txt
D:\windows\system32\config\system.log1
D:\windows\system32\config\system
D:\windows\system32\winevt\logs\system.evtx
D:\windows\system32\winevt\logs\security.evtx
D:\windows\system32\winevt\logs\microsoft-windows-networkprofile%4operational.evtx
D:\program files (x86)\crdbf\cr_dbf.exe
D:\system volume information\syscache.hve.log1
D:\program files (x86)\crdbf\demo\supl\is-9b7mp.tmp
D:\program files (x86)\crdbf\demo\supl\is-g9m8h.tmp
D:\program files (x86)\crdbf\demo\is-6shna.tmp
D:\users\user\appdata\local\microsoft\windows\usrclass.dat.log1
D:\users\user\appdata\local\microsoft\windows\usrclass.dat
D:\users\user\appdata\local\temp\is-q4ri8.tmp\is-a4egk.tmp
D:\users\user\appdata\local\temp\is-peoq7.tmp\_isetup\_setup64.tmp
D:\users\user\appdata\local\temp\is-peoq7.tmp\_isetup\_shfoldr.dll
D:\users\user\appdata\local\temp\is-peoq7.tmp\_isdecmp.dll
D:\users\user\appdata\local\temp\is-peoq7.tmp\_iscrypt.dll
D:\users\user\ntuser.dat.log1
D:\windows\system32\config\software
D:\users\user\ntuser.dat
D:\program files (x86)\crdbf\is-694c5.tmp
D:\program files (x86)\crdbf\is-a9gio.tmp
D:\program files (x86)\crdbf\is-rgsju.tmp
D:\program files (x86)\crdbf\is-mpbr3.tmp
D:\program files (x86)\crdbf\demo\is-0uv53.tmp
D:\program files (x86)\crdbf\demo\is-ehbmf.tmp
D:\program files (x86)\crdbf\demo\is-n4e9h.tmp
D:\program files (x86)\crdbf\demo\is-trmm4.tmp
D:\program files (x86)\crdbf\is-neirg.tmp
D:\windows\system32\winevt\logs\application.evtx
D:\windows\serviceprofiles\localservice\appdata\local\lastalive1.dat
Moves the following files
from D:\program files (x86)\crdbf\is-neirg.tmp to D:\program files (x86)\crdbf\unins000.exe
from D:\program files (x86)\crdbf\is-2f12h.tmp to D:\program files (x86)\crdbf\repairdbf.key
from D:\program files (x86)\crdbf\demo\supl\is-r78ti.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf9.dbf
from D:\program files (x86)\crdbf\demo\supl\is-r2fre.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf8.dbf
from D:\program files (x86)\crdbf\demo\supl\is-gtpll.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf7.dbf
from D:\program files (x86)\crdbf\demo\supl\is-mkioh.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf6.dbf
from D:\program files (x86)\crdbf\demo\supl\is-ficnc.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf5.dbf
from D:\program files (x86)\crdbf\demo\supl\is-9b7mp.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf4.dbf
from D:\program files (x86)\crdbf\demo\supl\is-g9m8h.tmp to D:\program files (x86)\crdbf\demo\supl\tstdbf2.dbf
from D:\program files (x86)\crdbf\demo\is-6shna.tmp to D:\program files (x86)\crdbf\demo\tstdbf5.dbf
from D:\program files (x86)\crdbf\demo\is-trmm4.tmp to D:\program files (x86)\crdbf\demo\tstdbf4.dbf
from D:\program files (x86)\crdbf\demo\is-n4e9h.tmp to D:\program files (x86)\crdbf\demo\tstdbf3.dbf
from D:\program files (x86)\crdbf\demo\is-ehbmf.tmp to D:\program files (x86)\crdbf\demo\tstdbf2.dbf
from D:\program files (x86)\crdbf\demo\is-0uv53.tmp to D:\program files (x86)\crdbf\demo\tstdbf1.dbf
from D:\program files (x86)\crdbf\is-mpbr3.tmp to D:\program files (x86)\crdbf\pars.txt
from D:\program files (x86)\crdbf\is-rgsju.tmp to D:\program files (x86)\crdbf\repairdbf.ini
from D:\program files (x86)\crdbf\is-a9gio.tmp to D:\program files (x86)\crdbf\chkrepairdbf.chm
from D:\program files (x86)\crdbf\is-694c5.tmp to D:\program files (x86)\crdbf\cr_dbf.exe
from D:\program files (x86)\crdbf\is-077uj.tmp to D:\program files (x86)\crdbf\help.ico
from D:\program files (x86)\crdbf\is-q2or7.tmp to D:\program files (x86)\crdbf\icons.bmp
Network activity
Connects to
TCP
HTTP GET requests
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?64########
HTTP POST requests
http://jo####rdmust.sbs/new/net_api
Other
'localhost':49158
'34.##0.144.191':443
'34.##1.73.144':443
'35.##1.9.150':443
UDP
Miscellaneous
Searches for the following windows
ClassName: 'bdaa81_CRDBG48Class_bdaa81' WindowName: ''
Creates and executes the following
'D:\users\user\appdata\local\temp\is-q4ri8.tmp\is-a4egk.tmp' /SL4 $50224 "<Full path to file>" 4260970 51712
'D:\program files (x86)\crdbf\cr_dbf.exe'
'D:\program files (x86)\crdbf\cr_dbf.exe' f5359e8a25e49fa12b8d03017f51c99e
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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
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