TROJ_QBOT.TX
Windows 2000, XP, Server 2003

Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be dropped by other malware.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This Trojan may be dropped by the following malware:
- BKDR_QBOT family
Installation
This Trojan adds the following mutexes to ensure that only one of its copies runs at any one time:
- ~e198ac781b.tmp
- ~e439125sl.tmp
Other System Modifications
This Trojan adds the following registry entries:
HKLM\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
{default} =
HKLM\SOFTWARE\Microsoft\
Windows\CurrentVersion\Runonce
{default} =
Other Details
This Trojan requires its main component to successfully perform its intended routine.
It does the following:
- It exports backdoor functionalities used by its main component.
- It exports the following functions:
notify C&C server on the malware's installation status and bot information (version, install date and time)
search for specific directories
download updated copy of the malware
download other components
download and execute other possibly malicious files
create scheduled tasks
get system information
get IP address
uninstall itself
create/terminate processes
collect internet certificates
perform FTP and IRC commands - It terminates processes with any of the following strings in it:
msdev.exe
dbgview.exe
mirc.exe
ollydbg.exe
ccApp.exe
skype
R&Q.exe
photoed
outlook.exe
mmc.exe
ctfmon.exe - It prevents users from visiting sites w/ any of the following strings in address bar:
webroot
agnitum
ahnlab
arcabit
avast
avg
avira
avp
bitdefender
bit9
castlecops
centralcommand
clamav
comodo
computerassociates
cpsecure
defender
drweb
emsisoft
esafe
eset
etrust
ewido
fortinet
f-prot
f-secure
gdata
grisoft
hacksoft
hauri
ikarus
jotti
k7computing
kaspersky
malware
mcafee
microsoft
networkassociates
nod32
norman
norton
panda
pctools
prevx
quickheal
rising
rootkit
securecomputing
sophos
spamhaus
spyware
sunbelt
symantec
threatexpert
trendmicro
virus
wilderssecurity
windowsupdate - It opens and execute commands in following processes:
cmd.exe
far.exe
nc.exe - It steals information whenever an infected user visits a website with any of the following strings in its address:
cashproonline.bankofamerica.com
/cashplus/
ebanking-services.com
/cashman/
web-cashplus.com
treas-mgt.frostbank.com
business-eb.ibanking-services.com
treasury.pncbank.com
access.jpmorgan.com
ktt.key.com
onlineserv/CM
premierview.membersunited.org
directline4biz.com
onb.webcashmgmt.com
tmconnectweb
moneymanagergps.com
ibc.klikbca.com
directpay.wellsfargo.com
express.53.com
itreasury.regions.com
itreasurypr.regions.com
cpw-achweb.bankofamerica.com
businessaccess.citibank.citigroup.com
businessonline.huntington.com - It connects to the following sites to send and receive information, download updates, and download other possibly malicious files:
http://{BLOCKED}wthewhistle.com/cgi-bin/clientinfo3.pl
http://www.{BLOCKED}cdc2121cdsfdfd.com
http://{BLOCKED}wthewhistle.com/cgi-bin/clientinfo3.pl
http://{BLOCKED}rver.com.ua/cgi-bin/exhandler4.pl
http://{BLOCKED}2.cn/cgi-bin/jl/jloader.pl?r=3d
http://{BLOCKED}ver.com.ua/cgi-bin/ss.pl
{BLOCKED}ver.com.ua:31666
{BLOCKED}v.co.in
{BLOCKED}04.cn
{BLOCKED}01.co.in
{BLOCKED}2.co.in
{BLOCKED}3.in
{BLOCKED}03.com.ua - It steals sensitive information such as username and and passwords from the following:
Windows Address Book
Protected Storage
Internet Account Manager
Active Directory - Bigfoot, VeriSign, and WhoWhere - It may also connect to the following sites:
search.msn.com
.hotbar.com
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Scan your computer with your Trend Micro product and note files detected as TROJ_QBOT.TX
Step 3
Restart in Safe Mode
Step 4
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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.
- In HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
- Run
- HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
- Runonce
Step 5
Search and delete the file detected as TROJ_QBOT.TX
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_QBOT.TX. 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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