Risques

  • D'utiliser des certificats d'authentification signés par une autorité de certification (c'est le cas de lockergoga par exemple)
  • De contourner des solutions antivirales (notamment samsam et ryuk)
  • S'exécuter avec des privilèges de compte administrateur (samsam)

Résumé

Voir la rubrique Contournement Provisoire pour les indicateurs de compromission.

Solution

L'ANSSI recommande de se conformer aux mesures énoncées dans la note d'information suivante : /information/CERTFR-2017-INF-001/

Contournement provisoire

Indicateurs de compromission

famille taille du fichier en octets md5 sha1 sha256
LockerGoga 1267728 52340664fe59e030790c48b66924b5bd 73171ffa6dfee5f9264e3d20a1b6926ec1b60897 bdf36127817413f625d2625d3133760af724d6ad2410bea7297ddc116abc268f
LockerGoga 1284112 9cad8641ac79688e09c5fa350aef2094 3da0a217bbda09561780f52f163a6aafeb721d60 5b0b972713cd8611b04e4673676cdff70345ac7301b2c23173cdfeaff564225c
LockerGoga 1282576 164f72dfb729ca1e15f99d456b7cf811 f92339e73c7e901c0c852d8e65615cfb588a4ff6 8cfbd38855d2d6033847142fdfa74710b796daf465ab94216fbbbe85971aee29
LockerGoga 1267728 3ebca21b1d4e2f482b3eda6634e89211 37cdd1e3225f8da596dc13779e902d8d13637360 6e69548b1ae61d951452b65db15716a5ee2f9373be05011e897c61118c239a77
LockerGoga 1267728 a1d732aa27e1ca2ae45a189451419ed5 50f5a5ec13d21d4df119140547d63bc40f93b079 c3d334cb7f6007c9ebee1a68c4f3f72eac9b3c102461d39f2a0a4b32a053843a
LockerGoga 2097664 174e3d9c7b0380dd7576187c715c4681 31fbfe814628db3b459ddc87bf5ed538700db17a c7a69dcfb6a3fe433a52a71d85a7e90df25b1db1bc843a541eb08ea2fd1052a4
LockerGoga 8129536 ba53d8910ec3e46864c3c86ebd628796 d1c2dfedc602f5d5f2036b0ba5541cac8f8b4b95 a84171501074bac584348f2942964c8550374c39247ec6af0f4a69756ea9fc7a
LockerGoga 833024 a52f26575556d3c4eccd3b51265cb4e6 61fdebb3c9dfa880b54e82579256acfcd4d6d406 97a2ab7a94148d605f3c0a1146a70ba5c436a438b23298a1f02f71866f420c43
Ryuk 155648 32cbc69f85cc47d8e35dc20dfbda6948 35dd5239977c2922a06389061cca846ec09453bb 795db7bdad1befdd3ad942be79715f6b0c5083d859901b81657b590c9628790f
Ryuk 155648 7a7b1300e8b5a10424e08958a6fc15c1 9db96b1a4bff1ffc6b945360cc5cc363642ffc94 501e925e5de6c824b5eeccb3ccc5111cf6e312258c0877634935df06b9d0f8b9
Ryuk 156160 40492c178079e65dfd5449bf899413b6 f3fa5d5942e5085586d7fcc496d3fad7804abcc2 fe909d18cf0fde089594689f9a69fbc6d57b69291a09f3b9df1e9b1fb724222b
GandCrab 1188 37795ac41c9b35035457a927978fcdd3 89b8b889449241f0ae1982c0db33afaa76a5d9b5 9d932a98c37b9a5454d3ba32596ef0292f55d3f7b3f9831a39df526ad1e686aa
GandCrab 212992 5f36c4861f8d90c5e5011603738c4aa6 23f6c73678c1ac1794a36237e51675be4cfc180d 8163602357b51402b8e34b385b0228ac4a603e19c6c8006e1c7a7a8099450742
GandCrab 136274 8e5f4903cad2b129eef0beb7001db3d7 8202f983fec9e4589598966232059ff33bb226d4 f6013b930287d6fdb7d1d403396e4362e34a8d70192ba97b1f35ad97f99552c0
GandCrab 257024 ae81f3a400cf631aafc46758e32756dd 3b42ae50f7f83840e24b27fc30c2bfa158131039 f85ffff8c83a93a2ab0c8ef050f25499c0aebca38f55fb58f313881da502cde7
Anatova 352256 366770ebfd096b69e5017a3e33577a94 711f9985ba5a1933351f017022c3ed9ec92cb6da ab8a76b64448b943dc96a3e993b6e6b37af27c93738d27ffd1f4c9f96a1b7e69
Anatova 49664 2a0da563f5b88c4d630aefbcd212a35e fec79b74bb6cc4ddf0bf0655a9ef73b0aff09bbc 97fb79ca6fc5d24384bf5ae3d01bf5e77f1d2c0716968681e79c097a7d95fb93
Anatova 597504 9d844d5480eec1715b18e3f6472618aa 9ccc09beca90983815c63bed939673b2d421fc2c bd422f912affcf6d0830c13834251634c8b55b5a161c1084deae1f9b5d6830ce
Anatova 314368 596ebe227dcd03863e0a740b6c605924 37fadc40d6dc787cb13ef11663a9bc97c79b8f48 170fb7438316f7335f34fa1a431afc1676a786f1ad9dee63d78c3f5efd3a0ac0
Anatova 314368 61139db0bbe4937cd1afc0b818049891 200800368f75146320545095661fed0c3e75d025 75371ff38823885b47aa21d2883792a5470e9bf1f3d2dc93f512725f35491820
Shade 1222408 f67045329a5e10b9329d4de8c7c15d92 9023b108989b61223c9dc23a8fb1ef7cd82ea66b a877748c5a561feb45f946d30223e1a309902b5a05c8574a0c3e906f6cf2ccb1
Shade 1086216 8a714ad99ae5dbd5fd8432efafb5b8e6 d8418df846e93da657312acd64a671887e8d0fa7 e43fb62c12fcf1be9f9982e81a59350a8f9dd2389198c0b332cef832a63aac0f
Shade 1072392 751af1bd3e398cb7f3c95bdc162f5817 feb458152108f81b3525b9aed2f6eb0f22af0866 6090a3b86cbec1e81983fcaf450dd20ec6bcfb942ae759bf7ccbda699378a28c
Shade 1228040 1f7a4f1c2ee11b91cb03055bc36ea540 441cfa1600e771aa8a78482963ebf278c297f81a cff0ba8b9bde4bf5e562e2db5ec5e6a0cba331410d8b93cbcf00e08f4cfe9630
Shade 1256712 546debd903c57f82c97c1d875ab1c8ef 7ab40cd49b54427c607327fff7ad879f926f685f 0ddcd4073c567f011477e54c4632e3ae44ed41608c109e01b7f829b82701c694
Shade 1354752 2d754117c7a8f24a646e03723a8d2095 9e8319015c28ff41d6a0e21dfa7a18044fb58682 e6e0c121addfe84619582dd1c7a21b848042d6cd75c8a21117acb462b42b63dd
Shade 1071880 3a29dd9147865b2c35f92a2aef0aba8d 0df31f125cc125463dd230ae8980dcaae7f80617 35809b55e77a750ff6d07100d5de321e513e3f33feb200d3b4323aab235f7fdd
SamSam 276 46602c08bc8a96b55d7998cd695dabaa 6b21aec23a844e6a5af1879c41b9632a0e705bb7 9c8ad4147f5cbdda51317a857d75720c84bddb16338dabe374a3e60c64c2f0de
SamSam 713973f14ae8ff88a63a1491e82e48f362e3aed7
SamSam 239104 9101fef217778423266988ce92a2e595 3cbddf5f027b19e55366ecc0fd287f31379175a0 0bbb34b3cb16f24fbb3189e9c02ae9c7e6bfb806e89a9622007ac0ec6b5e16d9
SamSam 6144 b96620d8a08fa436ea22ef480dd883ce a1ab74d2f06a542e77ea2c6d641aae4ed163a2da 738c95f5bfe63a530b200a0d73f363d46c5671c1fcbb69c217e15a3516501a86
SamSam 5632 f702153b68628eff973abb2912af0d22 138c3aae51e67db0c4134affae428fe91c0d1686 da9c2ecc88e092e3b8c13c6d1a71b968aa6f705eb5966370f21e306c26cd4fb5
SamSam 5120 76bd79f774ae892fd6a30b6463050a91 4d7a60bd1fb3677a553f26d95430c107c8485129 9b23bfc35b18ed80104c496b2aa722b3e56ff9ceb9dae60d1aff7230321c1d12

LockerGoga (Adresses courriel de contact) :

Documentation