About “TrojanDownloader.Kuluoz.D3” infection

The TrojanDownloader.Kuluoz.D3 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What TrojanDownloader.Kuluoz.D3 virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• CAPE extracted potentially suspicious content
• Unconventionial binary language: Russian
• Unconventionial language used in binary resources: Indonesian
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Behavior consistent with a dropper attempting to download the next stage.
• Attempts to modify proxy settings

How to determine TrojanDownloader.Kuluoz.D3?

File Info:
name: 5013DC41000FFE080CE9.mlw
path: /opt/CAPEv2/storage/binaries/a45cca644dabd14a7fe63d11de5a644383c355a6b0a74d8c4c78ef156aeb9c75
crc32: 7814C573
md5: 5013dc41000ffe080ce9ae429ecbad00
sha1: 30cb14881a6b638f91c4c6d551a3571194c60185
sha256: a45cca644dabd14a7fe63d11de5a644383c355a6b0a74d8c4c78ef156aeb9c75
sha512: 8875a2921c0d6180fa8924e82b244c8cffaeceb99c49a7737f4c454e7264e1650ff18376ee6c33885b6108f0ba7ed1f9491b134037f9a7e6ce82a9b0de3fd394
ssdeep: 1536:Ev+1ajg59V5VsPW7AvosJe8k8hkKGCGL2+AbyTWOGIaNWUeCE1HMwnVdfevQ:A+4gru+7Avo/usFq+UCW1IaFEiwnVQQ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B344C34FB97C5424D017E0B42A5789E302ABBA34537988D7A3AF7C69477FE307224786
sha3_384: 4f48ccab43ecdf06ccc2a8b17c8c29e6654de8573224b30440a3d8737ed2e4249b47d4d00e92503de4799114aecd0e97
ep_bytes: 558bec81ec98000000e8d2f7ffffa100
timestamp: 2014-02-03 13:21:28

Version Info:
CompanyName: Корпорация Майкрософт
FileDescription: Назначенные задания
FileVersion: 5.1.2600.5512 (xpsp.080413-2108)
Translation: 0x0419 0x04b0

TrojanDownloader.Kuluoz.D3 also known as:

How to remove TrojanDownloader.Kuluoz.D3?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.