GridinSoft Threat Intelligence

cobalt.dll threat report

Detected as Trojan.Wacatac File reputation report
MD5 6fe8f07c3e195ac1c2f555c3e03c3f17
Latest seen 2026-05-16 16:00:22 (2 weeks ago)
First seen 2023-09-11 23:12:24 (2 years ago)
Size 57 KB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.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
Trojan.Wacatac
Recommended action
Scan and remove
Last analysis
2026-05-16 16:00:22 (2 weeks ago)
File hash
6fe8f07c3e195ac1c2f555c3e03c3f17
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

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

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2023-09-11 23:12:24 (2 years ago); latest analysis 2026-05-16 16:00:22 (2 weeks ago).

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 Trojan category for related samples and common context.

File context

cobalt.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Wacatac, based on the latest analysis from 2026-05-16 16:00:22 (2 weeks ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If cobalt.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 Trojan.Wacatac.

File Details

MD5: 6fe8f07c3e195ac1c2f555c3e03c3f17
Size: 57 KB
First Published: 2023-09-11 23:12:24 (2 years ago)
Latest Published: 2026-05-16 16:00:22 (2 weeks ago)
Status: Trojan.Wacatac (on last analysis)
Analysis Date: 2026-05-16 16:00:22 (2 weeks ago)

Detection screenshot

cobalt.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:

%programfiles%\reboot_launcher\data\flutter_assets\assets
%programfiles%\reboot_launcher
%programfiles%\reboot launcher

ThreatInfo has observed cobalt.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.

Geographic signal

Observed country distribution

ThreatInfo has seen cobalt.dll across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Canada
Share 50.0%
Low High activity

The strongest geographic signal for this file is Canada with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for cobalt.dll 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.

Analysis

cobalt.dll is identified as pe for 64-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 64-bit
Subsystem Windows GUI
Entry point 0x00007dc8
Image base 0x0000000180000000

PE Sections:

Sections 8
Raw data 57856

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

.text 31232 bytes · 54.0% of section data
MD5 b6ecac7229adfc64b9410c68909dc71b
.rdata 11776 bytes · 20.4% of section data
MD5 2f42d5f579ed7ca178bfcdd5cfac47ec
.data 1024 bytes · 1.8% of section data
MD5 c4c74b8dee5b49024c94ba5469fa476d
.pdata 2048 bytes · 3.5% of section data
MD5 17464505446575ded1019dc808e76dfd
.detourc 9216 bytes · 15.9% of section data
Uncommon name
MD5 8c1b3eaef9745492e30ae8beafaa65db
.detourd 512 bytes · 0.9% of section data
Uncommon name
MD5 edda25907019e5cc74c177f6952e5e4b
.rsrc 512 bytes · 0.9% of section data
MD5 36808fb7dd44724ce0d2d413b31991c5
.reloc 1536 bytes · 2.7% of section data
MD5 6106b121d1eed6f7fb105da36d06a5bf

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 Trojan.Wacatac

This report identifies cobalt.dll by MD5 6fe8f07c3e195ac1c2f555c3e03c3f17. It is part of the Trojan 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 6fe8f07c3e195ac1c2f555c3e03c3f17.
  • 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 Trojan category to compare similar reports.