EchoTrail

updater.exe

by Mozilla
Application

Sources: 300M+ executions observed in the wild and observed in the EchoTrail lab on Windows 11.

Summary

Mozilla Firefox Software Updater manages automatic updates for the Firefox web browser.

updater.exe is the 91st most commonly executed Windows program in EchoTrail's dataset, observed 277,453 times across enterprise environments. It typically runs from C:\Program Files\mcafee\WebAdvisor and it is most often launched by updater.exe.

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The same record for updater.exe, by REST or as an MCP tool. Free key, no card.

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91st
most commonly executed Windows program
277,453
observed endpoint executions

Behavior

Top Paths

  • C:\Program Files\mcafee\WebAdvisor34.41%
  • C:\Program Files (x86)\Google\GoogleUpdater\130.0.6679.06.54%
  • C:\Program Files (x86)\Google\GoogleUpdater\132.0.6833.06.5%
  • C:\Program Files (x86)\Google\GoogleUpdater\128.0.6537.05.22%
  • C:\Program Files (x86)\Google\GoogleUpdater\138.0.7194.04.23%
  • C:\Program Files (x86)\Google\GoogleUpdater\127.0.6490.04.16%
  • C:\Program Files (x86)\Google\GoogleUpdater\128.0.6597.03.69%
  • C:\Program Files (x86)\Google\GoogleUpdater\135.0.7023.02.83%
  • C:\Program Files (x86)\Google\GoogleUpdater\131.0.6776.02.63%
  • C:\ProgramData\...2.38%
  • C:\Program Files (x86)\Google\GoogleUpdater\152.0.7933.0
  • C:\Program Files\Dropbox\DropboxUpdater\123.0.6299.152
  • C:\Windows\SystemTemp\Dropbox12668_1738240983\bin
  • C:\Windows\SystemTemp\Google6736_516621414\bin
  • C:\Windows\SystemTemp\Google7688_894445218\bin
  • C:\Windows\SystemTemp\Google10076_276660042\bin

Top Hashes (SHA256)

  • 7f67129760223e5ddf31219f0b2e247555fbac85f4b6f933212ac091a21debf96.8%
  • c294551059a85542127811249b8e725d3ab885efdd4996b201db588899769e856.76%
  • 8de9266347276d18fe49f84b86f09e6035df2c10e39f22d85bf33d43cf0f5f2c5.43%
  • 437295233c61d4097fc54bc8fc3e5d2ae176d445fe42bde97135d3db1749cf254.4%
  • ebb428a4c1e29192617e7699513ec78512735110bba68bbee54dee34807094ae4.33%
  • c2a7c0fa80f228c2ce599e4427280997ea9e1a3f85ed32e5d5e4219dfb05ddb23.84%
  • e3eb70a25da3cf0563ebaa3b95622cad7423e447273bc7c779c7466f39eac7a22.94%
  • 68cbbaa86f68ec0679a770e4cdf36233047c9672fa4a23cf62e1544934b47e4c2.76%
  • 5dde29f028e75ee72f50902d20c41b699ef8fc5c294f04a321deac6909ffe4092.74%
  • 323c097defb278f09a20aaca7b05aea20a1c859414cca9caea263fa5a627a1ae2.32%
  • 8581d8934c6cb843fa78139535842e51deb87f882d3ae701b0ce2818086ab889
  • 05176956a5ce0918434a1fe1be1f11add2347eff02ba31f21aaf38319794b8e5

Code Signing

Signers by share of executions

  • Google LLCValid
    Embedded signature · 3 hashes
    99.42%
    Chain
    1. Google LLC
    2. DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
    3. DigiCert Trusted Root G4
    Valid
    • Apr 8, 2024 to Apr 10, 2027
    Hashes
    • c74ba01a8c2884b991f072b8990dfb9dea27ac7e6af63c075e077bf0a9f1b18e71.98% of executions, first seen Sep 16, 2026
    • 7c1d5a7c67116734619b3a1a05ca1d2777c83256e2a1bb2fdfbcfac4d0178b4416.25% of executions, first seen Sep 27, 2026
    • 4fe3100212f3a4873a670004c05d5ef0df0b3409b0fa7f7d904a7c06ee7a8ba311.19% of executions, first seen Sep 26, 2026
  • Dropbox, IncValid
    Embedded signature · 1 hash
    0.58%
    Chain
    1. Dropbox, Inc
    2. DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
    3. DigiCert Trusted Root G4
    Valid
    • Dec 12, 2025 to Dec 14, 2027
    Hashes
    • 05176956a5ce0918434a1fe1be1f11add2347eff02ba31f21aaf38319794b8e50.58% of executions, first seen Sep 29, 2026

Full certificate detail on Team.

Process Ancestry

Top Grandparents

Top Parents

Top Children

Lab record

Installed from
winget Dropbox.Dropbox 262.4.3183
Publisher
Dropbox, Inc
Persistence
4 services, 4 scheduled tasks
Network
15 destinations
Command lines
13 patterns (128 launches)
DLL loads
162 patterns (6,149 loads)
Registry writes
128 patterns (8,634 writes)
File writes
897 patterns (1,237 writes)
HTTP requests
4 patterns (4 requests)
TLS connections
3 patterns (5 handshakes)
Named pipes
97 patterns (235 events)
Process access
9 patterns (51 events)
Driver loads
0 patterns (0 loads)
PowerShell blocks
0 patterns (0 blocks)
Remote threads
0 patterns (0 events)
Audit events
4 patterns (6 events)

Full record on Team.

Security Analysis

What does updater.exe normally do?

Part of Mozilla software. Normal operation.

When is updater.exe suspicious?

Running from unexpected paths.

How do attackers abuse updater.exe?

Not commonly abused.

Detection guidance

No specific detection needed.

False positive notes

Normal Mozilla operation.

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This page is the Team-tier API record for updater.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.