Type
File Name
Location
STOP was first discovered in December 2017 in enterprise cloud environments. STOP is found in environments with a number of different names, including STOP-Keypass, STOP-Djvu, Djvu, etc. For a full list of all names, please see below.
Name
STOP
First Seen
December 2017
STOP is known to target specific file types. Below are all known file types that STOP is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. STOP updates the last modified date of the file it targets.
Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that STOP ransomware is known to change.
Suffixes
.STOP, .promorad, .DATASTOP, .STOPDATA, .KEYPASS, .WHY, .SAVEfiles, .DATAWAIT, .INFOWAIT, .puma, .pumax, .pumas, .shadow, .djvu, .jzeq, .jzie, .djvuu, .udjvu, .uudjvu, .djvuq, .djvus, .djvur, .djvut, .djvup, .pdff, .tro, .tfude, .tfudeq, .tfudet, .rumba, .adobe, .adobee, .blower, .promos, .promoz, .promok, .promorad2, .kroput, .kroput1, .charck, .pulsar1, .klope, .kropun, .charcl, .kropun1, .doples, .luces, .luceq, .chech, .proden, .drume, .tronas, .grovas, .trosak, .grovat, .roland, .refols, .raldug, .etols, .guvara, .browec, .norvas, .moresa, .verasto, .hrosas, .kiratos, .todarius, .hofos, .roldat, .dutan, .sarut, .fedasot, .berost, .forasom, .fordan, .bufas, .dotmap, .radman, .ferosas, .rectot, .skymap, .mogera, .rezuc, .stone, .redmat, .lanset, .davda, .poret, .pidon, .heroset, .boston, .myskle, .muslat, .gerosan, .vesad, .horon, .neras, .truke, .dalle, .lotep, .nusar, .litar, .besub, .cezor, .gycc, .gyew, .gyza, .lokas, .godes, .budak, .vusad, .herad, .berosuce, .gehad, .gusau, .madek, .tocue, .darus, .lapoi, .todar, .dodoc, .bopador, .novasof, .ntuseg, .ndarod, .access, .format, .nelasod, .mogranos, .cosakos, .nvetud, .lotej, .kovasoh, .prandel, .zatrov, .masok, .brusaf, .londec, .krusop, .mtogas, .nasoh, .coharos, .nacro, .pedro, .nuksus, .vesrato, .cetori, .masodas, .stare, .carote, .shariz, .gero, .hese, .xoza, .seto, .peta, .moka, .meds, .kvag, .domn, .karl, .nesa, .boot, .noos, .kuub, .reco, .bora, .leto, .nols, .werd, .coot, .derp, .nakw, .meka, .toec, .mosk, .lokf, .peet, .grod, .mbed, .kodg, .zobm, .rote, .msop, .hets, .righ, .gesd, .merl, .mkos, .nbes, .piny, .redl, .kodc, .nosu, .repp, .alka, .bboo, .rooe, .mmnn, .ooss, .mool, .nppp, .rezm, .lokd, .jazi, .jawr, .foop, .remk, .npsk, .opqz, .mado, .jope, .mpaj, .lalo, .lezp, .qewe, .mpal, .sqpc, .mzlq, .koti, .covm, .pezi, .nlah, .kkll, .zwer, .nypd, .usam, .tabe, .vawe, .moba, .pykw, .zida, .maas, .repl, .kuus, .erif, .kook, .nile, .oonn, .vari, .boop, .geno, .kasp, .ogdo, .npph, .kolz, .copa, .lyli, .moss, .foqe, .mmpa, .efji, .iiss, .jdyi, .vpsh, .agho, .vvoa, .epor, .sglh, .lisp, .weui, .nobu, .igdm, .booa, .omfl, .igal, .qlkm, .coos, .wbxd, .pola, .cosd, .plam, .ygkz, .cadq, .tirp, .ribd, .reig, .enfp, .ekvf, .ytbn, .fdcz, .urnb, .lmas, .iicc, .wrui, .rejg, .pcqq, .igvm, .nusm, .ehiz, .eqew, .paas, .pahd, .mppq, .qscx, .sspq, .iqll, .ddsg, .gatz, .eqza, .gash, .qopz, .qore, .fofd, .sato, .saba, .foty, .foza, .coty, .kiop, .kiwm, .kifr, .jycx, .jypo, .jywd, .jyos, .typo, .tyos, .tywd, .darj, .dapo, .dazx, .craa, .qarj, .qazx, .qapo, .coba, .coaq, .cosw, .goba, .goaq, .gosw, .qotr, .qoqa, .qowd, .iotr, .iowd, .ioqa, .hhoo, .hhee, .hhmm, .tgvv, .tgpo, .thgz, .bhgr, .bhui, .bhtw, .ahtw, .ahgr, .ahui, .neqp, .neon, .nerz, .erqw, .assm, .mztu, .mzop, .mzqw, .pouu, .poqw, .zouu, .zoqw, .bpto, .bpws, .bpsm, .znto, .taqw, .taoy, .tasa, .yytw, .yyza, .popn, .poaz, .wspn, .wsaz, .wsuu, .kitu, .kizu, .kiqu, .miqe, .mitu, .miza, .gaqq, .waqq, .gazp, .gayn, .wazp, .wayn, .agvv, .agpo, .aghz, .vvoo, .vvmm, .erop, .weqp, .werz, .weon, .vatq, .vaze, .vapo, .gaze, .gatq, .gapo, .xaro, .xatz, .xash, .nzoq, .teza, .nzqw, .nztt, .wzer, .wzoq, .wztt, .wzqw, .jaqw, .jaoy, .jasa, .mzre, .mzqt, .mzhi, .azop, .azqt, .azhi, .wwty, .wwpl, .wwza, .oohu, .oopl, .ooza, .hgew, .hgfu, .hgml, .hgkd, .rzew, .rzml, .rzkd, .ttwq, .ttrd, .ttap, .ttza, .mlwq, .mlrd, .mlap, .mlza, .ptqw, .pthh, .ptrz, .ithh, .itqw, .itrz, .zpas, .zput, .zpww, .ppvs, .ppvt, .ppvw, .yzqe, .yzoo, .yzaq, .nbzi, .hhuy, .hhaz, .ljuy, .ljaz, .nbwr, .niwm, .cdqw, .cdmx, .cdaz, .cdwe, .cdtt, .cdpo, .cdcc, .ldhy, .cdxx, .nooa, .qqqe, .iisa, .wnlu, .hoop, .pqgs, .orkf, .koom, .bbbw, .bbbe, .cuag, .bbbr, .yoqs, .stax, .eucy, .nqhd, .maiv, .lkfr, .lkhy, .muuq, .miia, .irjg, .rtgf, .qqqw, .moia, .zaps, .aeur, .cool, .wisz, .wiaw, .nood, .looy, .vook, .kool, .uazq, .uajs, .kaaa, .bgjs, .bgzq, .qehu, .qepi, .vepi, .vehu, .paaa, .qeza, .veza, .lqqw, .xcmb, .waqa, .zzla, .rivd, .maql, .tisc, .nqsq, .piiq, .reqg, .maak, .vtua, .guer, .qmak, .hlas, .vfgj, .neer, .sevr
Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.
Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from STOP.
Type File Name Location file _openme.txt EveryFolder file _readme.txt EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for STOP.
Executables
0302_2019-02-03_15-41.exe, 05177199.exe, 08212099.exe, 09446899.exe, 1.bin, 1.exe, 1601_2019-01-16_22-58.exe, 1846355404.EXE, 1MBIKZ45.exe, 20240829253.exe, 23954824.exe, 2401_2019-01-24_12-52.exe, 3.exe, 34EFCDSAX.EXE.TMP, 34fedwfe.exe, 39.exe, 3b84.exe, 3BD2J1DJ.exe, 3c31.exe, 3db3.exe, 3FE.tmp.exe, 406.tmp.exe, 419b.exe, 585939.exe, 7F2E.EXE, 850867.exe, 8687460552.EXE, A3E1binexe.exe, afvtnii.exe, aiecxdy.exe, aludci.exe, amix.exe, aslejn.exe, aylpsaww.exe, ays3ueggw.exe, azbmtwy.exe, B2.tmp.exe, bdpxte.exe, be2.exe, betting.exe, bigthing.exe, bin.bin, bqiewt.exe, brgrtv3f.exe, brpwmfdl.exe, bsvnx.exe, build.exe, buildp.exe, buildz.exe, Bujingle.exe, Buskepas.exe, cjebe.exe, covf.exe, CUsersabdoAppDataLocalde14c4d4-af10-40ba-b2e7-b7cd78dfba75FCEB.tmp.exe, CUsersUsAppDataLocalda3f3088-b399-4c9e-9d41-a0f53620c708E214.tmp.exe, cveog.exe, DHL7YG.exe, DJVU Ransomware.exe, dmkdih.exe, dubi.exe, DW8VXDZI.exe, edrgweasdvrb.exe, efzdqtpc.exe, enbyzga.exe, eqmmweay.exe, executable.exe, eyrfrip.exe, F9RT5XP5.exe, factura.exe, Fameros.exe, fce.exe, file.bin, file.exe, fjklzp.exe, fkpbzs.exe, fphemzq.exe, fqkwzdo.exe, fsprm.exe, fumiefqw.exe, funuir.exe, fwnfeic.exe, fyyfc.exe, gapijonc.exe, gayn.exe, gazp.exe, gdusei.exe, gehfgfjk.exe, gepquoqguv.exe, gFaZbGmI, gixj.exe, glitters.exe, gunshot.exe, gvhhzwub.exe, HerbalEssentials.exe, hgxctcth.exe, hlmoj.exe, Huklus.exe, humanity.exe, Hungle.exe, Hunlipaos.exe, hvfcfwbh.exe, hvlawaos.exe, HYDOADC8.exe, IEWO4X01.exe, important.exe, important_document.exe, ISJ5KN4I.exe, IVE39D.exe, jrinzssq.exe, jrsnygu.exe, jsjof.exe, jtdnwf.exe, JTDNWF.EXE, Keypass.exe, killeryuga.exe, km0TTTU1Ig.exe, krgqwi.exe, kyamstr.exe, liegkzrz.exe, load1903.exe, logger270.exe, lpjlujyr.exe, lwxhwfcu.exe, msoffice.exe, mvsnmp.exe, myfile.exe, NUMXYW9D.exe, olbkummk.exe, oqrvau.exe, oqvq.exe, ozlep.exe, PBER65.exe, pbky.exe, petshop.exe, phpAdLvuq, phpwXWVud, pqqfom.exe, proc.exe, ProcessKiller.exe, program.exe, PUQ5X3W2.exe, pzsjx.exe, qdnhqd.exe, qfnxti.exe, qgrm9yxfr9.exe, qhnvv.exe, qnsuk.exe, qoapybn.exe, qtyzkum.exe, qvwloVnL.exe, qwvqvk.exe, R2JL7SXH.exe, redcsrvtf.exe, report727.exe, rewrtrbvfd.exe, ridaigx.exe, RJ9067X4.exe, rlpvcs.exe, ryuk.exe, sample.mlw, sbap.exe, sbut.exe, Setup160.exe, sgsdfgds.exe, sifrtud, sndjxmz.exe, software.exe, sqlreader.exe, start.exe, starticon2.exe, STOP.exe, Stop.exe, Stop7.exe, svhost.exe, swyfkv.exe, talq.exe, tcygx.exe, Techniques.exe, trz9BEE.tmp.exe, twgiwo.exe, twgruos.exe, tygrfed.exe, ubmahi.exe, ucxiwb.exe, uiabfuuc.exe, UIXF9YSH.exe, ukqxssy.exe, update.exe, updatewin.exe, updatewin1.exe, uqksn.exe, urpress.bin, urpress.exe, uvjhup.exe, uwzqmrjc.exe, vatup.exe, vwmzyfx.exe, wchnu.exe, wcvqmaz.exe, wcyn.exe, WMPLAYER.EXE, wmplayer.exe, wnyknmp.exe, wztt, xatz, xnnhvtk.exe, xspf.exe, ycnsqgn.exe, yhom.exe, yhtvjk.exe, yipogls.exe, yowa.exe, ythgrfed.exe, YTHGRFED.EXE, yvircma.exe, yvxi.exe, zBeQxOa, zejw.exe, zldik.exe, zplgo.exe, zqvu.exe, zstimge.exe, zufocosq.exe, ZXJ9GJ.exe, zzz.exe, rfcle.exe, ckdlp.exe, qorw.exe, ljrhywfh.exe, malware.exe, gsqonx.exe, jpcmgaay.exe, crack.exe, 4088.exe, zbetcheckin_tracker_49.exe, tngub.exe, tlde.exe, xukac.exe, zunzzjvu.exe, behasavunu.exe
Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with STOP.
External Pages
