What is “Backdoor.TofseePMF.S25821537”?

The Backdoor.TofseePMF.S25821537 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 Backdoor.TofseePMF.S25821537 virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• 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
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Spanish (Colombia)
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Enumerates services, possibly for anti-virtualization
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Deletes its original binary from disk
• Behavioural detection: Injection (inter-process)
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• CAPE detected the Tofsee malware family
• Attempts to interact with an Alternate Data Stream (ADS)
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Backdoor.TofseePMF.S25821537?

File Info:
name: 0B151CCA1B8BD7814E08.mlw
path: /opt/CAPEv2/storage/binaries/50d7355d3eabea2eed4dd8d5d2677042e3f253af5fb7d62c53f9787dd0296e20
crc32: 6F4307EF
md5: 0b151cca1b8bd7814e08e381e7bb9829
sha1: c1cfa612cc64ec1e649bf69c5500126f099b319b
sha256: 50d7355d3eabea2eed4dd8d5d2677042e3f253af5fb7d62c53f9787dd0296e20
sha512: f6661857422cf05340b4199bc4aaef815aeb87c17f1d43334e2bd2f1644e8e7bb48a342ce60ca3715adbbb20d8aa0361ec077d3d543002878b8cc0d02e970193
ssdeep: 12288:Dbg+pagrP6DU465JPuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu:ZagryUB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15FC69E36213189AFEC3550BCF7AC3B25CAFC47B8F301573E84A9D6E1089569C82D5A5B
sha3_384: 1295d24d41318c996b3ff1ad66547895dc9e75c58a36710f77c43fec0cfbe56ce2d87ca1407186802010e6f14d303d8e
ep_bytes: 8bff558bece8b6360000e8110000005d
timestamp: 2020-06-26 14:13:41

Version Info:
0: [No Data]

Backdoor.TofseePMF.S25821537 also known as:

How to remove Backdoor.TofseePMF.S25821537?

• 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.