TSPY_DYRE.YYRK
PWS:Win32/Dyzap.J(Microsoft),Win32/Battdil.I(NOD32)
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet
This spyware may be downloaded from remote sites by other malware.
It connects to certain websites to send and receive information. It deletes itself after execution.
TECHNICAL DETAILS
388,608 bytes
EXE
Yes
20 Dec 2014
Connects to URLs/IPs, Drops files, Steals information
Arrival Details
This spyware may be downloaded from remote site(s) by the following malware:
- TROJ_UPATRE.YYRK
Installation
This spyware drops the following copies of itself into the affected system and executes them:
- %Windows%\{random file name}.exe (for Windows XP and lower)
- %AppDataLocal%\{random file name}.exe (for Vista and higher)
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %AppDataLocal% is the Application Data folder found in Local Settings, where it is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following files:
- %System%\config\systemprofile\Application Data\f5e83w4ef.dat (for Windows XP and lower) -contains configuration
- %AppDataLocal%\f5e83w4ef.dat (for Vista and higher) -contains configuration
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Application Data folder found in Local Settings, where it is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- 5efw48e8re54
It injects codes into the following process(es):
- explorer.exe
Autostart Technique
This spyware registers itself as a system service to ensure its automatic execution at every system startup by adding the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\googleupdate
ImagePath = "%Windows%\{random file name}.exe"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\googleupdate
DisplayName = "Google Update Service"
It adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
(Default) = "%AppDataLocal%\{random file name}.exe " (for Vista and higher)
It registers as a system service to ensure its automatic execution at every system startup by adding the following registry keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\googleupdate(for Windows XP and lower)
Information Theft
This spyware gathers the following data:
- Computer Name
- Public IP Address
- OS Version
- User Name
- OS platform
- Installed programs
Other Details
This spyware connects to the following URL(s) to check for an Internet connection:
- google.com
- microsoft.com
It connects to the following URL(s) to get the affected system's IP address:
- http://icanhazip.com
It connects to the following website to send and receive information:
- {BLOCKED}.{BLOCKED}.214.154:443
- {BLOCKED}.{BLOCKED}.214.154:4443
- {BLOCKED}.{BLOCKED}.224.75:4443
- {BLOCKED}.{BLOCKED}.103.85:4443
- {BLOCKED}.{BLOCKED}.214.158:443
- {BLOCKED}.{BLOCKED}.214.158:4443
- {BLOCKED}.{BLOCKED}.194.83:443
- {BLOCKED}.{BLOCKED}.194.83:4443
- {BLOCKED}.{BLOCKED}.245.223:443
- {BLOCKED}.{BLOCKED}.245.223:4443
- {BLOCKED}.{BLOCKED}.223.101:4443
- {BLOCKED}.{BLOCKED}.231.222:443
- {BLOCKED}.{BLOCKED}.231.222:4443
- {BLOCKED}.{BLOCKED}.14.101:443
- {BLOCKED}.{BLOCKED}.14.101:4443
It deletes itself after execution.
NOTES:
It monitors the following browsers:
- Google Chrome
- Internet Explorer
- Mozilla Firefox
This spyware steals important banking/bitcoin information by injecting malicious codes to bank/bitcoin login webpages with URLs containing any of the following:
- cashproonline.bankofamerica.com/AuthenticationFrameworkWeb/cpo/login/public/loginMain.faces*
- businessaccess.citibank.citigroup.com/cbusol/signon.do*
- www.bankline.natwest.com/CWSLogon/logon.do*
- www.bankline.rbs.com/CWSLogon/logon.do*
- www.bankline.ulsterbank.ie/CWSLogon/logon.do*
- www.business.hsbc.co.uk/1/2/!ut/p/c5/04_SB8K8xLLM9MSSzPy8xBz9CP0os3gDgzAfSycDUy8LAzNDbz8vbzMDKADKR2LKuyHkgbotDB1dDZyDDTwMzM0sDTy93B1dnXz8DN0tTCC6nd0dPUzMfYCqwzxdDTxNnEwMTH3dDA08jQnoLsgNDQUAO-nOhw!!*
- www.nwolb.com/default.aspx*
- www6.rbc.com/webapp/ukv0/signin/logon.xhtml*
- online.bankofscotland.co.uk/personal/logon/login.jsp*
- www.rbsdigital.com/login.aspx*
- wellsoffice.wellsfargo.com/ceoportal/signon/index.jsp*
- chsec.wellsfargo.com/login/login.fcc*
- lloydslink.online.lloydsbank.com/Logon/Logon.jsp*
- www.ulsterbankanytimebanking.ie/default.aspx*
- banking.bankofscotland.co.uk/Logon/Logon.aspx*
- access.jpmorgan.com/jpmalogon*
- usgateway.rbs.com/wps/portal/cb/applications*
- www.signatureny.web-access.com/signat/cgi-bin/login.cgi*
- commercial.bnc.ca/auth/Login*
- ktt.key.com/ktt/cmd/logon*
- businessbankingcpo.tdcommercialbanking.com/WBB/LoginDisplay*
- online-business.bankofscotland.co.uk/business/logon/login.jsp*
- www.treasury.pncbank.com/idp/esec/login.ht*
- www.frostcashmanager.com/CASHplus/*
- www8.comerica.com/pkmslogin.form*
- securentrycorp.amegybank.com*
- securentrycorp.calbanktrust.com*
- securentrycorp.nsbank.com*
- securentrycorp.zionsbank.com*
- www.fcsolb.com/cb/pages/jsp-ns/login.jsp*
- www.commercial.hsbc.com.hk/1/2/!ut/p/c5/04_SB8K8xLLM9MSSzPy8xBz9CP0os3gDd-NQv1BDg2AXA1-PEE9zPwtDAwgAykeaxTu7O3qYmPsA-WGergaeJk4mBqa-boYGnsbYdPsidBfkhioCAMGAADI!*
- ebanking2.danskebank.co.uk/pub/logon/logon.aspx*
- business2.danskebank.co.uk/pub/logon/logon.aspx*
- online.coutts.com/eBankingCouttsLogin/login*
- business.co-operativebank.co.uk/corp/BANKAWAY*
- fidelitytopeka.btbanking.com/onlineserv/CM*
- northrimbankonline.btbanking.com/onlineserv/CM*
- myinvestorsbank.btbanking.com/onlineserv/CM*
- businessonline.mutualofomahabank.com/cb/pages/jsp-ns/login.jsp*
- login.salesforce.com/*
- www.natwestibanking.com/eai/IPB_EAI_Web/customerNumber.do*
- online.adambank.com/eBankingAdamLogin/login*
- fdonline.co-operativebank.co.uk/corp/BANKAWAY*
- home2.cybusinessonline.co.uk/lmgruV8/ceblm-web/login.ctl*
- home1.ybonline.co.uk/raluV8/reglm-web/login.ctl*
- cmol.bbt.com/auth/prompt.tb*
- business-eb.ibanking-services.com/K1/index.jsp*
- tdetreasury.tdbank.com/s1gcb/logon/sbuser*
- www.iombankibanking.com/eai/IPB_EAI_Web/eai*
- www.rbsiibanking.com/ipb/IPB_Client_Web/Start.do*
- achieveaccess.charterone.com/exchange/basic/authentication*
- express.53.com/portal/auth/login/Login*
- www22.bmo.com/ctpauth/CTPEAILogin/CustUserPasswordAuthServlet*
- e-access.compassbank.com/bbw/cmserver/welcome/default/verify.cfm*
- ht.businessonlinepayroll.com/SPF/login/ee_auth.aspx*
- www1.rbcbankusa.com/cgi-bin/rbaccess/rbunxcgi*
- webcmpr.bancopopular.com/K1*
- login.isso.db.com/websso/sso_multi_auth_Logon.sso*
- www.onlinebanking.iombank.com/default.aspx*
- bank.barclays.co.uk/olb/auth/LoginLink.action*
- www.rbsidigital.com/default.aspx*
- www.svbconnect.com/auth*
- www.corporate-clients.commerzbank.com/S-Portal/SHTML/cdir2/companydirectportal/pgf.html*
- www.onlinebanking.natwestoffshore.com/default.aspx*
- ibusinessbanking.aib.ie/ibb/controller*
- aibinternetbanking.aib.ie/inet/roi/login.htm*
- business.santander.co.uk/LGSBBI_NS_ENS/BtoChannelDriver.ssobto*
- retail.santander.co.uk/LOGSUK_NS_ENS/BtoChannelDriver.ssobto*
- corporate.santander.co.uk/LOGSCU_NS_ENS/BtoChannelDriver.bto*
- www.internationalpayments.co.uk/*
- santander.hpdsc.com/main*
- leumionline.bankleumi.co.uk/my.policy*
- www.caterallenonline.co.uk/*
- bolpp.bankofireland.com/Commercial*
- personal.co-operativebank.co.uk/CBIBSWeb/start.do*
- www.boi-bol.com/newHome.jsp*
- cbfm.saas.cashfac.com/cbfm/Logon.aspx*
- onlinebusiness.lloydsbank.co.uk/business/logon/login.jsp*
- alolb1.arbuthnotlatham.co.uk/IB/Online*
- online.hoaresbank.co.uk/fi11512/bb/logon*
- butterfieldonline.co.uk/*
- www.asbolb.com/servlet/ASB.ASBServlet*
- online.ybs.co.uk/public/authentication/login1.do*
- www.kbinternetbanking.com/*
- ibank.reliancebankltd.com/logon.aspx*
- online.duncanlawrie.com/InternetBanking/faces/mdi/login.jsp*
- esavings.shawbrook.co.uk/BankFast/Shawbrook*
- bureau.bottomline.co.uk/unity/index.aspx*
- ibb.firsttrustbank1.co.uk/ibb/controller*
- www1.firstdirect.com/1/2/!ut/p/c5/04_SB8K8xLLM9MSSzPy8xBz9CP0os3gDgzAfSycDUy8LAzNDbz8vbzMDKADKR5rFO7s7epiY-wD5YZ6uBp4mTiYGpr5uhgaexmDdFibeBn7enkEuBs4ejiYeHkGGMN0FuaGKAPRSfDc!*
- netbanking.ubluk.com/Login/Index*
- ibank.zenith-bank.co.uk/internetbanking/index.jsp*
- ibank.gtbankuk.com/Gaps_UK/Default.aspx*
- online.bankofcyprus.co.uk/netteller/login.faces*
- banking.ireland-bank.com/IrelandBankOnline_303/Authentication/Login.aspx*
- bankofirelandlifeonline.ie/*
- secure.handelsbanken.com/bb/glss/servlet/prelogon*
- dashboard.gocoin.com/login*
- www.365online.com/online365/spring/authentication*
- online.kbc.ie/kbc-online/onlinebanking/login*
- www.open24.ie/online/login.aspx*
- business2.danskebank.ie/pub/logon/logon.aspx*
- online.ebs.ie/internet/login/index.jsp*
- corporate.metrobankonline.co.uk/*
- ib.btrl.ro/BT24/bfo/channel/web/loginframe.jsp*
- btultra.btrl.ro/sign/_mcologon*
- fastbanking.bancpost.ro/iBankWeb/login.jsp*
- www.brdoffice.ro/smartoffice/_mcologon*
- www.ceconline.ro/smartoffice/logon.htm*
- ro.unicreditbanking.net/disp*
- www.barclayswealth.com/login/action/logon/unauthenticated/personal/loginDetailsRouting*
- s2b.standardchartered.com/ssoapp/login.jsp*
- eadibcorp.adib.ae/cb/servlet/cb/jsp-ns/login.jsp*
- corporate.adcb.com/corporateWeb/login.do*
- www.arabi-online.net/efs/servlet/efs/jsp-ns/login.jsp*
- cbionline.cbi.ae/bus/security/Welcome.do*
- my.sjpbank.co.uk/Security/Auth/Logon*
- my.sjpbank.co.uk/Security/Auth/Logon*
- login.smartbusiness.ae/bo-login.jsp*
- online.dib.ae/webapplication.ui/localoperations/login/loginpage.aspx*
- www.investbank.ae/ibank/loginAction.do*
- netbanking.mashreqbank.com/B001/SMELogin.jsp*
- online.nbad.com/iportalweb/iportal/jsps/orbilogin.jsp*
- rakbankonline.ae/corp/BANKAWAY*
- www.noorinternetbanking.com/CWCLIENT/loginClient.action*
- secure.membersaccounts.com/SELFSERVICE/login.aspx*
- cardonebanking.com/authlogin.aspx
- cardonebanking.com/authlogin.aspx?business*
- bitpay.com/merchant-login*
- safello.com/login*
- accounts.expresscoin.com/login*
- blockchain.info/wallet/login*
- www.bcv.ch/de*
- net.crediteurope.ro/ibank-cln/do/login/prompt*
- www.raiffeisenonline.ro/eBankingWeb/login*
- localbitcoins.com/accounts/login*
- bitbargain.co.uk/login*
- secure.coinjar.com/users/sign_in*
- www.coinbase.com/signin*
- cib.uab.ae/*
- www.bitstamp.net/account/login*
- www.halifax-online.co.uk/personal/logon/login.jsp*
- banking.triodos.co.uk/ib-seam/login.seam?loginType=dp550*
- banking.triodos.co.uk/ib-seam/login.seam?loginType=username*
- ebank.turkishbank.co.uk/Default2.aspx*
- nebasilicon.fdecs.com/eCustService/*
- infinity.icicibank.co.uk/UKRET/BANKAWAY*
- ibank.theaccessbankukltd.co.uk/entry/CorpLoginLang.html*
- www.standardlife.co.uk/1/site/uk/login*
- apps.virginmoney.com/vmosws/loginWait.do*
- ebaer.juliusbaer.com/*
- ebanking-ch2.ubs.com/workbench/Index.do*
- onlinebanking.bankcoop.ch/*
- tb.raiffeisendirect.ch/*
- wwwsec.ebanking.zugerkb.ch/authen/login*
- wwwsec.valiant.ch/authen/login*
- inba.lukb.ch/lukbLogin/*
- www.bcv.ch/bcvd-login/authenticateAction.do*
- www.bcv.ch/en*
- www.bcv.ch/fr*
- online.citi.eu/GBIPB/JSO/signon/DisplayUsernameSignon.do*
- clients.tilneybestinvest.co.uk/ORM/Login.aspx*
- my.hypovereinsbank.de/login*
- kunden.commerzbank.de/lp/login*
- db-sg.db.com/gen/login/index_4.cfm*
- meine.deutsche-bank.de/trxm/db*
- www.banking.axa.de/OnlineBankingWebfrontend/banking/common/login.xhtml;jsessionid=F05F46A7333D65031BD6C9B43C062C31*
- my.banklenz.de/web/guest/login*
- banking.bankhaus-mayer.de/ptlweb/WebPortal*
- banking.martinbank.de/*
- www.bv-activebanking.de/neelmeyer/loginFormAction.do*
- www.bv-activebanking.de/trinkaus/loginFormAction.do*
- apps.bhw.de/es600/index.jsp*
- auth.globalpay.westernunion.com/Sso/Login.aspx*
- extra.unicreditbank.hu/eibpublic_SP/login.en.html*
- extra.unicreditbank.hu/eibpublic_SP/login.hu.html*
- extra.unicreditbank.hu/eibpublic_SP/login.de.html*
- banking.bmwbank.de/s/b2cpws.fcc*
- banking.commerzfinanz.com/onlinebanking-cfg/loginFormAction.do*
- banking.donner-reuschel.de/index.jsp*
- www.firstmeritib.com/ec/DefaultCorp.aspx*
- cmo.cibc.com/wp/wps/portal/bbdsignon*
- blcweb.banquelaurentienne.ca/lang/en/BLCDirect*
- blcweb.banquelaurentienne.ca/lang/fr/BLCDirect*
- www.firstmerit.com/commercial/index.html*
- secure.tddirectinvesting.co.uk/webbroker2/login.jsp*
- www.youinvest.co.uk/LogIn/username*
- www.dab-bank.de/Mein-Konto-Depot/Login*
- banking.degussa-bank.de/banking/servlet/com.pagentix.banking.servlet.TopNavigationServlet*
- finanzportal.fiducia.de/p01pebe/entry*
- www.deutschebank-dbdirect.com/cas/login*
- login.isso.db.com/websso/sso_custom_multi_auth_flex_Logon.sso*
- db-direct.db.com/u/eb/Login_Main.serv*
- www.bv-activebanking.de/dbm/loginFormAction.do*
- finanzportal.fiducia.de/p13pepe/entry*
- www.asl.com/asl/login/entryFrame.jsp*
- banking.ing-diba.de/app/login*
- banking.valovisbank.de/portal/*
- kunden-mkb-bank.de/*
- www.mkbag.de/ptlweb/WebPortal*
- financepilot-pe.mlp.de/p13pepe/entry*
- banking.nfbank.de/ptlweb/WebPortal*
- hbciweb.olb.de/financebrowser5*
- banking.oyakankerbank.de/*
- ebanking.schwaebische-bank.de/loginStart.do*
- globalpay.westernunion.com/GlobalPay/Login.aspx*
- banking.steylerbank.de/ptlweb/WebPortal*
- online.multiport.com.au/*
- www.anztransactive.anz.com/*
- www.anz.com/INETBANK/bankmain.asp*
- bbonline.banksa.com.au/html/cbank.asp*
- ibs.bankwest.com.au/BWLogin/bib.aspx*
- netteller2.tsw.com.au/delphi/ntv451.asp*
- businessonline.westpac.com.au/esis/Login/SrvPage*
- online.corp.westpac.com.au*
- www*.my.commbiz.commbank.com.au/Logon/UserMaintenance/Login.aspx
- bbonline.bankofmelbourne.com.au/html/cbank.asp*
- ib.banksyd.com.au/*
- online.hbs.net.au/hbsv47/ntv471.asp*
- www.ib.boq.com.au/boqbl*
- www.my.commbank.com.au/netbank/Logon/Logon.aspx*
- bank.ruralbank.com.au/banking/RBLIBanking/*
- secure.macquarie.com.au/sepas/serve*
- nabconnect*.nab.com.au/auth/nabclogin/login.do*
- ib.tmbank.com.au/ib/signon/Login.aspx*
- www.citibank.com.au/AUGCB/JSO/signon/DisplayUsernameSignon.do*
- private.bankofsingapore.com/Login/Login*
- internet-banking.dbs.com.sg/IB/Welcome*
- fareastnationalbank.ebanking-services.com/EamWeb/account/login.aspx*
- velocity.ocbc.com/portal.view*
- uniservices2.uobgroup.com/ELO/login.jsp*
- sg.bibplus.uobgroup.com/BIB/public*
- bbonline.stgeorge.com.au/html/cbank.asp*
- internetbanking.suncorpbank.com.au/*
- inetbnkp.adelaidebank.com.au/OnlineBanking/AdBank*
- secure.anz.co.nz/IBCS/service/login*
- www.bnz.co.nz/ib4b/app/login*
- bol.westpac.co.nz/s1gcb/logon/sbuser*
- www.ib.kiwibank.co.nz/*
- www.flexipurchase.com/secure/welcome.asp*
- homebank.tsbbank.co.nz/online/*
- secure1.rabodirect.co.nz/exp/policyenforcer/pages/loginB2CDGPEN.jsf*
- ibank.sbs.net.nz/ui/inetbankindex.aspx*
- my.statestreet.com/*
- www.mercantilcbonline.com/secure/banking/logon*
- fx.regions.com/esn01/servlet/RSASingleSignOn*
- www.goldman.com/login/login_a.cgi*
- netteller3.pnbank.com.au/InternetBanking/Login.aspx*
- secure.defencebank.com.au/daib/logon/cu3205/logon.asp*
- online.bankmecu.com.au/daib/logon/cu3140/logon.asp*
- wealth.goldman.com/login/login_a.cgi*
- businesscenter.mysynchrony.com/BusinessCenterPortal*
- commerceconnections.commercebank.com*
- www.bankdirect.co.nz*
- pfo.us.hsbc.com*
- www.us.hsbcprivatebank.com/1/2/PBRSINTEGRATION/gpbus*
- bbonline.stgeorge.com.au/html/cbindex.asp*
- ideal.dbs.com/loginSubscriber/login/pin.jsp*
- internet-banking.dbs.com.sg/posb*
- www.dbsvonline.com/english/index.asp*
- cashmanager.mizuhoe-treasurer.com/mz/servlet/SLogin*
- charisma.btdirect.ro/CharismaWEB/_Public/Login.aspx*
- www.ingonline.com/ro/!UPR.Dispatcher*
- secure2.alphabank.ro/corporate/CorpOTPLoginLangRom.jsp*
- secure.internetbanking.ro/IBK_SMS/Login/LoginFirstStep.aspx*
- login.24banking.ro/casserver/login*
- secure.ampbanking.com/au/Logon*
- ap.ebs.bankofchina.com/login.html*
- www.superchoice.com.au/amp/*
- www.superorganised.com.au/dashboard/login*
- portal.northonline.com.au/WealthNET.PortalClient/*
The following is the proxy address for the Man-in-the-middle attack:
- 94.23.23.203:80
This spyware connects to the following STUN (Session Traversal Utilities for NAT) server in order to determine the public IP address of the compromised computer:
- stun1.voiceeclipse.net
- stun.callwithus.com
- stun.sipgate.net
- stun.ekiga.net
- stun.ideasip.com
- stun.internetcalls.com
- stun.noc.ams-ix.net
- stun.phonepower.com
- stun.voip.aebc.com
- stun.voipbuster.com
- stun.voxgratia.org
- stun.ipshka.com
- stun.faktortel.com.au
- stun.iptel.org
- stun.voipstunt.com
- stunserver.org
- 203.183.172.196:3478
- s1.taraba.net
- s2.taraba.net
- stun.l.google.com:19302
- stun1.l.google.com:19302
- stun2.l.google.com:19302
- stun3.l.google.com:19302
- stun4.l.google.com:19302
- stun.schlund.de
- stun.rixtelecom.se
- stun.voiparound.com
- numb.viagenie.ca
- stun.stunprotocol.org
- stun.2talk.co.nz
If hardcoded C&C is inaccessible , it may connect to the following DGA URL to send and receive information:
- {pseudo random alphanumeric characters}.so
- {pseudo random alphanumeric characters}.tk
- {pseudo random alphanumeric characters}.cn
- {pseudo random alphanumeric characters}.hk
- {pseudo random alphanumeric characters}.in
- {pseudo random alphanumeric characters}.to
- {pseudo random alphanumeric characters}.ws
- {pseudo random alphanumeric characters}.cc
It sends the following GET request:
- /1812us1/{Computer name}-{OS patform}_{variable}/{number}/{variable request type}/{BLOCKED}.{BLOCKED}.43.41
It can do the following:
- Receive configuration(web injects)
- Receive New connections
- Download file and execute
- Download Module(VNC,TV)
- Shutdown/restart system
It sends a POST request to send stolen information from the injection.
It can send and receive information on the following I2P network for secure connection:
- {BLOCKED}n2p2gejk57wveao5kxa7b3nhtc4saoonjpsy65mapycaua.{BLOCKED}.i2p:443
SOLUTION
9.700
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Remove malware/grayware files that dropped/downloaded TSPY_DYRE.YYRK. (Note: Please skip this step if the threats listed below have already been removed.)
- TROJ_UPATRE.YYRK
Step 4
Restart in Safe Mode
Step 5
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_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
- googleupdate
- googleupdate
Step 6
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\Microsoft\Windows\CurrentVersion\Run
- (Default) = "%AppDataLocal%\{random file name}.exe " (for Vista and higher)
- (Default) = "%AppDataLocal%\{random file name}.exe " (for Vista and higher)
Step 7
Search and delete this file
- %System%\config\systemprofile\Application Data\f5e83w4ef.dat
- %AppDataLocal%\f5e83w4ef.dat
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_DYRE.YYRK. 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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