GridinSoft Threat Intelligence

E2A4.exe threat report

Detected as Ransom.Wacatac File reputation report
MD5 938aa407c505a83146a1c8eb04e4bf4e
Latest seen 2021-10-17 20:58:17 (4 years ago)
First seen 2021-10-17 20:58:17 (4 years ago)
Size 3 MB
Publisher NVIDIA Corporation

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Ransom.Wacatac. 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
Ransom.Wacatac
Recommended action
Scan and remove
Last analysis
2021-10-17 20:58:17 (4 years ago)
File hash
938aa407c505a83146a1c8eb04e4bf4e
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Ransom.Wacatac, part of the Ransom threat category.

Category context

Ransomware families and files associated with encryption or extortion workflows. Related Ransom reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2021-10-17 20:58:17 (4 years ago); latest analysis 2021-10-17 20:58:17 (4 years ago).

Publisher context

Company metadata: NVIDIA Corporation. Product metadata: NVIDIA Control Panel.

Digital signature

Signed by Gigabyte BRIX Comet Lake-U BRi7H-10710. The signature is reported as valid, but signed files can still be bundled or abused.

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 Ransom category for related samples and common context.

E2A4.exe is a Windows file recorded in the ThreatInfo database. It is associated with NVIDIA Control Panel. The reported company name is NVIDIA Corporation. The current detection status is Ransom.Wacatac, based on the latest analysis from 2021-10-17 20:58:17 (4 years ago). ThreatInfo groups this verdict with Ransom reports for broader family-level investigation.

If E2A4.exe 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 Ransom.Wacatac.

Product Name: NVIDIA Control Panel
Company Name: NVIDIA Corporation
MD5: 938aa407c505a83146a1c8eb04e4bf4e
Size: 3 MB
First Published: 2021-10-17 20:58:17 (4 years ago)
Latest Published: 2021-10-17 20:58:17 (4 years ago)
Status: Ransom.Wacatac (on last analysis)
Analysis Date: 2021-10-17 20:58:17 (4 years ago)
E2A4.exe 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.

Signed By: Gigabyte BRIX Comet Lake-U BRi7H-10710
Status: Valid

The signature on E2A4.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%temp%

ThreatInfo has observed E2A4.exe 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.

Windows 10 100.0%

The most common operating system signal for E2A4.exe is Windows 10 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.

E2A4.exe is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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 CUI
Entry point 0x00400a90
Image base 0x00400000

PE Sections:

Sections 9
Raw data 3401216

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

108032 bytes · 3.2% of section data
Uncommon name
MD5 1d34c050fc1c3985514429a4074a4153
4608 bytes · 0.1% of section data
Uncommon name
MD5 93e591e8a4c9aaea169eec06a8280a6c
512 bytes · 0.0% of section data
Uncommon name
MD5 1c7cf6ff33456467a02328bfe840fdca
.idata 512 bytes · 0.0% of section data
MD5 5e3d042da0f63ca41ef6dfa9a95a07a3
ê™°ê™°ê™ 4608 bytes · 0.1% of section data
Uncommon name
MD5 f3b5791435feff345573284e4456a6c1
.themida 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.boot 2197504 bytes · 64.6% of section data
Uncommon name
MD5 9890ceb831defd34b71b9df355c12144
ê™°ê™°ê™ 3584 bytes · 0.1% of section data
Uncommon name
MD5 a81ac17396b8b0b083c506804a29db8d
.rsrc 1081856 bytes · 31.8% of section data
MD5 e9d77534af8b7418362855996ea81bb9

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 Ransom.Wacatac

This report identifies E2A4.exe by MD5 938aa407c505a83146a1c8eb04e4bf4e. It is part of the Ransom 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 938aa407c505a83146a1c8eb04e4bf4e.
  • 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 Ransom category to compare similar reports.