Categories: Trojan

MSIL/TrojanDownloader.Small.CKP malicious file

The MSIL/TrojanDownloader.Small.CKP 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 MSIL/TrojanDownloader.Small.CKP virus can do?

  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine MSIL/TrojanDownloader.Small.CKP?


File Info:

crc32: 0411EA46md5: 7b0057738a02d0501cf9b45b4ef74255name: 7B0057738A02D0501CF9B45B4EF74255.mlwsha1: 6e39d4d0d612341323fe3f6379613169924f5a6csha256: ed07c985a733c95aefb4fa4c1fca696471260dd5c72f71f21297a94dd23c159dsha512: d053e2fcdb750021f18dbc8d64c0cb1678a362852b7b6641f5f48edc1107964ac3cbefe1ca9f88a967babb5892bd3a31c3ba0cf91ddb61b7a9208fa79d614ba8ssdeep: 384:RSfBi+3tbYtAVAj3EsQkgtdGMfluqfhdoJOpAYZ9:RSfytvbEsavlVf/ochtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Windows Corp.Assembly Version: 12.3.5.3InternalName: Bulla.exeFileVersion: 5.14.22.1CompanyName: LegalTrademarks: Comments: Windows Command LineProductName: Windows CmdProductVersion: 5.14.22.1FileDescription: Windows CmdOriginalFilename: Bulla.exe

MSIL/TrojanDownloader.Small.CKP also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.839017
FireEye Generic.mg.7b0057738a02d050
McAfee RDN/Generic Downloader.x
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.Razy.839017
Cybereason malicious.38a02d
APEX Malicious
Avast Win32:RATX-gen [Trj]
Rising Downloader.Small!8.B41 (CLOUD)
Ad-Aware Gen:Variant.Razy.839017
Sophos ML/PE-A
Zillya Downloader.Seraph.Win32.326
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Variant.Razy.839017 (B)
MAX malware (ai score=84)
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Razy.DCCD69
GData Gen:Variant.Razy.839017
BitDefenderTheta Gen:NN.ZemsilF.34574.bm0@aemgqFk
ALYac Gen:Variant.Razy.839017
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.CKP
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet MSIL/Small.CKP!tr.dldr
AVG Win32:RATX-gen [Trj]

How to remove MSIL/TrojanDownloader.Small.CKP?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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