GridinSoft Threat Intelligence

MS4PHA.dll threat report

Detected as Worm.Ramnit File reputation report
MD5 43b5ef6db1c1c68a6384fc4b3bf3c015
Latest seen 2021-03-02 04:15:37 (5 years ago)
First seen 2021-03-02 04:15:37 (5 years ago)
Size 164 KB
Publisher CANON INC.
Product Canon MasterSetup support DLL

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Worm.Ramnit. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
Worm.Ramnit
Recommended action
Scan and remove
Last analysis
2021-03-02 04:15:37 (5 years ago)
File hash
43b5ef6db1c1c68a6384fc4b3bf3c015
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Worm.Ramnit, part of the Worm threat category.

Category context

Malware capable of spreading across systems, removable media, or networks. Related Worm reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2021-03-02 04:15:37 (5 years ago); latest analysis 2021-03-02 04:15:37 (5 years ago).

Publisher context

Company metadata: CANON INC.. Product metadata: Canon MasterSetup support DLL.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Worm category for related samples and common context.

File context

MS4PHA.dll is a Windows file recorded in the ThreatInfo database. It is associated with Canon MasterSetup support DLL. The reported company name is CANON INC.. The current detection status is Worm.Ramnit, based on the latest analysis from 2021-03-02 04:15:37 (5 years ago). ThreatInfo groups this verdict with Worm reports for broader family-level investigation.

If MS4PHA.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Worm.Ramnit.

File Details

Product Name: Canon MasterSetup support DLL
Company Name: CANON INC.
MD5: 43b5ef6db1c1c68a6384fc4b3bf3c015
Size: 164 KB
First Published: 2021-03-02 04:15:37 (5 years ago)
Latest Published: 2021-03-02 04:15:37 (5 years ago)
Status: Worm.Ramnit (on last analysis)
Analysis Date: 2021-03-02 04:15:37 (5 years ago)

Detection screenshot

MS4PHA.dll detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Common Places:

%sysdrive%\master\smadav\win\res\cms_lib

ThreatInfo has observed MS4PHA.dll in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

OS Version:

Windows 7 100.0%

The most common operating system signal for MS4PHA.dll is Windows 7 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

MS4PHA.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00009000
Image base 0x10000000

PE Sections:

Sections 6
Raw data 163840

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 16384 bytes · 10.0% of section data
MD5 1c032857bd7519c1bb6e1c6c2caa820e
.rdata 4096 bytes · 2.5% of section data
MD5 859e99fe3e9cce710336d797baf0f66c
.data 4096 bytes · 2.5% of section data
MD5 1d715846cbda6971b86e6d0a28163f60
.rsrc 4096 bytes · 2.5% of section data
MD5 50021560130cee8ae77968975f9144d9
.reloc 4096 bytes · 2.5% of section data
MD5 23106f8d5bd6f9d1429945efa93ff0b4
.text 131072 bytes · 80.0% of section data
MD5 7ce06b3af8123ce029cefbda21387034

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as Worm.Ramnit

This report identifies MS4PHA.dll by MD5 43b5ef6db1c1c68a6384fc4b3bf3c015. It is part of the Worm report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 43b5ef6db1c1c68a6384fc4b3bf3c015.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Worm category to compare similar reports.