TROJ_BANLOAD.CIF
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
206,336 bytes
EXE
No
26 Oct 2015
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan creates the following folders:
- %User Profile%\Application Data\rjywqmf
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Other System Modifications
This Trojan adds the following registry keys:
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm10 = "0306"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm13 = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm15 = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm16 = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm32 = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm33 = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm35 = "594445400B1E1E5944444043435158541F475452435844551E40435E445E535E5C1E45534159411F405940"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm17 = "594445400B1E1E5D51425F53595544401F535E5D1F4440431F444945"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm2 = "435A4847405C576D474346514659465249485248515651"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm7 = "435A4847405C576D545D4954424557"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm1 = "435A4847405C576D565D5D5956415F5C505C5952525455565D"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm3 = "435A4847405C576D545959514347485247585B515E5E45"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm8 = "435A4847405C576D465B5D46575E525643"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
lfi = "{random characters}"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm9 = "435A4847405C576D555C54595F5655415247584952455F1E544854"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm11 = "435A4847405C57"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm18 = "0208"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm19 = "0208"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm20 = "585E4555435F5445105548405D5F435543"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm21 = "46595F545E4642115D5554595010415C50495442"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm22 = "585549405D5E43541E554855"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm23 = "465D415C504854431E554855"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm24 = "081E00"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm34 = "091E091E091F09"
HKEY_CURRENT_USER\Software\Adobe\
Acrobat Reader\DC\FlashDebug
nm26 = "{random characters}"
Dropping Routine
This Trojan drops the following files:
- %User Profile%\rjywqmf\wsvawiwbxxcxaga
- %User Profile%\rjywqmf\dmydsuf
- %User Profile%\rjywqmf\diiarwybvhjanou
- %User Profile%\rjywqmf\vkmvfncfr
- %User Profile%\rjywqmf\fmmigqnlalhbbeefl
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://www.{BLOCKED}ertanejo.com/2015/pr.img
- http://www.{BLOCKED}ertanejo.com/2015/upd.img
- http://www.{BLOCKED}ertanejo.com/2015/lx.img
- http://www.{BLOCKED}ertanejo.com/2015/nav.img
- http://www.{BLOCKED}ertanejo.com/2015/str.img
- {BLOCKED}0.1
- {BLOCKED}.111.105
This report is generated via an automated analysis system.
SOLUTION
9.750
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC
- FlashDebug
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm10 = "0306"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm13 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm15 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm16 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm32 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm33 = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm35 = "594445400B1E1E5944444043435158541F475452435844551E40435E445E535E5C1E45534159411F405940"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm17 = "594445400B1E1E5D51425F53595544401F535E5D1F4440431F444945"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm2 = "435A4847405C576D474346514659465249485248515651"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm7 = "435A4847405C576D545D4954424557"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm1 = "435A4847405C576D565D5D5956415F5C505C5952525455565D"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm3 = "435A4847405C576D545959514347485247585B515E5E45"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm8 = "435A4847405C576D465B5D46575E525643"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- lfi = "{random characters}"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm9 = "435A4847405C576D555C54595F5655415247584952455F1E544854"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm11 = "435A4847405C57"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm18 = "0208"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm19 = "0208"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm20 = "585E4555435F5445105548405D5F435543"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm21 = "46595F545E4642115D5554595010415C50495442"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm22 = "585549405D5E43541E554855"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm23 = "465D415C504854431E554855"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm24 = "081E00"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm34 = "091E091E091F09"
- In HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\FlashDebug
- nm26 = "{random characters}"
Step 4
Search and delete these components
- %User Profile%\rjywqmf\wsvawiwbxxcxaga
- %User Profile%\rjywqmf\dmydsuf
- %User Profile%\rjywqmf\diiarwybvhjanou
- %User Profile%\rjywqmf\vkmvfncfr
- %User Profile%\rjywqmf\fmmigqnlalhbbeefl
Step 5
Search and delete this folder
- %User Profile%\Application Data\rjywqmf
Step 6
Scan your computer with your Trend Micro product to delete files detected as TROJ_BANLOAD.CIF. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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