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Verdict Suspicious

Analyzed , 5 days ago

Is Dropbox.exe safe? Treat it as suspicious.

None of the 67 antivirus engines that checked it flag this unsigned, rarely seen executable named after Dropbox, but one of two sandbox runs returned malicious, leaving the…

Read the whole reasonShow less

Why Suspicious? One sandbox test run rated it malicious while another found nothing; nothing else confirms it.

Limited evidence · One sign points to a problem; nothing else confirms it.

Don't run it until you know where it came from

Do not run this unsigned copy. Download Dropbox only from its official website and confirm the installer is signed by Dropbox before running it.

What to do now4 steps

Some signs point to a problem, but nothing confirms it is harmful. Treat it with caution.

What to do

  1. Don't run it unless you're sure where it came from.

  2. Check where you got it: an unexpected attachment, a link someone sent you or a re-upload is a red flag.

  3. If you can't confirm where it came from, delete it. If you need the program, download it again from the publisher's own website.

If you already ran it

  1. Stop using it, run a full scan with your antivirus and watch for unexpected behavior or security alerts.

Not sure what to do?

Ask the MalwareTips community before you run it. If you already ran it, follow the cleanup guide.

Paste this report's link in your topic so helpers can see what was found.

Why we think so

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Dropbox.exe: Suspicious — MalwareTips file scan

The link always shows the latest result for this exact file (its SHA-256 fingerprint).

Reads the latest antivirus results for this file's hash. Nothing is uploaded.

Antivirus results

0 of 67 flagged

  • Flagged 0
  • No detection 67
  • No result 5
FileDropbox.exe211.0 MBSHA-256 c77a10dd06b7…774c7b
  • Code signing Unsigned
  • Test run Completed
  • First seen 1mo ago
A sandbox test run rated its behaviour as malicious.

Chapter 02

Why we think so

3 points against it and 3 in its favour, checked against the scan evidence.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

Analyst conclusion

It is unsigned, has been seen by only two submitters, and one of two sandbox runs returned a malicious verdict while the other returned clean. Without a verified publisher or corroborating behaviour, the evidence is not strong enough to call it either way.

Where this verdict could be wrong2 caveats
  • One sandbox run returned a malicious verdict, but nothing else in the evidence explains or corroborates it.
  • None of the 67 antivirus engines that checked it flagged the file, which points toward benign software. Fresh threats can still evade engines.

These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.

6 sources checked · 5 complete · 1 not needed or not applicable. See every source

Chapter 03

What it did in our test

It ran in 2 isolated tests; 1 test environment rated what it did as risky.

Test run summary

Capture complete
  • 2isolated sandbox runs
  • 1sandbox rule tag
  • 1spawned processes
  • 0network contacts
  • 0filesystem & mutex artifacts

What the test run showed

What the file did on a test computer

Sandbox labels we could not confirm (common in safe files too)

  • Not confirmed: A sandbox rule tagged this run as contacting a server, but no contacted host was recorded.

This file was run on a test computer (a sandbox), not on yours. Labels we could not confirm are listed so you can see them, but they are not treated as evidence against the file.

Recorded behavior

What happened in the test

Grouped by step. The order is not a timeline.

Seen in the test runWorked out from other results

  1. Input file

    The submitted object

    1
    1. Evidence 1 of 2: FileSeen in the test run

      Dropbox.exe

      c77a10dd06b79db8e369e5db2a2ede6114f22c9a5619b7921ba8ad33d4774c7b

      Uploaded file

  2. Processes

    What ran

    1
    1. Evidence 2 of 2: ProcessSeen in the test run

      dropbox.exe

      "C:\Users\user\Desktop\dropbox.exe"

      Test run

2 facts from the test run. See the full activity list.

Chapter 04

Technical details

None of the 67 antivirus engines that checked it flag it; no publisher signature.

Sources checked

Every check behind this verdict

6 sources checked · 5 complete · 1 not needed or not applicable. Complete means the check returned a usable result; it does not mean the file is safe.

SourceStatusResultChecked
Antivirus enginesVirusTotal · 72 enginesCompletePositive signal: 0 of 67 engines flagged it · 5 gave no result Details for antivirus engines
Sandbox runVirusTotal sandboxes · CAPE Sandbox, ZenboxCompleteWorth noting: 2 runs: 1 malicious, 1 clean Details for sandbox run
Contacted hostsMalwareTips URL scannerNot neededThe sandbox recorded no contacted hosts to checkNo date recorded
Signature rulesYARAify community rules + MalwareTips rulesCompleteNo rule matched
Malware sample databaseabuse.ch MalwareBazaarCompleteNot listed
Known-software referenceCIRCL hashlookupCompleteNo match

File fingerprint

Last analyzed
Oct 21, 2026, 12:23 PM UTC
SHA-256
c77a10dd06b79db8e369e5db2a2ede6114f22c9a5619b7921ba8ad33d4774c7b
SHA-1
be2f5a5662f967ba5fc12caf67d05df40c793d36
MD5
668225dd0217685590c9834ac74db1fd

About this file

Dropbox.exe is a Win32 EXE file of 211.0 MB.

Type and size
Win32 EXE · 211.0 MB
Signer
UnsignedNo code signature.
First seen
Sep 15, 2026On VirusTotal.
Submitted by
2 distinct sourcesRarely seen: few people have submitted this exact file.
Packer
None detected
Entropy
6.47 of 8

First scanned

Chapter 05

Questions & answers

Short answers to the 6 questions people ask most about this file.

Is Dropbox.exe safe, or is it malware?
Dropbox.exe is rated Suspicious: some signs point to a problem, but nothing confirms it is harmful. No antivirus engine flags it; the caution comes from other evidence, such as who made it, how widely it is used or what it did in a test run. Don't run it unless you're sure where it came from. If you need the program, download it again from the publisher's own website.
What is Dropbox.exe?
Dropbox.exe is a Windows program, about 211.0 MB. It carries no version information saying what it is or who made it. VirusTotal first saw it on Sep 15, 2026.
How many antivirus engines detected Dropbox.exe?
None of the 67 antivirus engines that checked it flag Dropbox.exe. A clean antivirus result is not proof of safety; the caution comes from other evidence, such as who made it, how widely it is used or what it did in a test run.
What should I do if I already ran Dropbox.exe?
No infection is confirmed: the rating is a caution, not a malware finding. 1) Check where it came from. If you can't confirm the source, delete it. 2) Run a full scan with your security software. 3) If the scan finds something, follow its removal steps and change passwords you typed on the device since then.
What is the SHA-256 hash of Dropbox.exe?
The SHA-256 fingerprint of Dropbox.exe is c77a10dd06b79db8e369e5db2a2ede6114f22c9a5619b7921ba8ad33d4774c7b, and its MD5 is 668225dd0217685590c9834ac74db1fd. Two files with the same SHA-256 are identical, so use it to check you have exactly this file, not just one with the same name.
How up to date is this analysis of Dropbox.exe?
This report reflects the scan on Oct 21, 2026. A file's fingerprint never changes, but antivirus engines keep learning, so a rating can change later. To get a newer result, scan the file again: we refresh the antivirus results when the saved ones are out of date.
Chapter 06

Community

Member reviews and reports for this exact file hash.

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This report and its SHA-256 fingerprint are public, so the next person who checks the same file gets an instant answer; documents and images are listed by type instead of their file name. A file we had not seen before is uploaded to VirusTotal, whose security partners and subscribers can download it; MalwareTips deletes its own copy after the scan. If you ran this file and are worried, scan your device with up-to-date security software.