Member Avatar for pro_learner

My SAMSUNG mobile phone has faced to a virus attack(I think).It stucks sometimes.And sometimes it restarts automatically.When i connect it to my laptop & browse it's memory card,it shows a file calls "_UnqiueId.dat".I deleted that file.But when i reconnect the phone to laptop,it shows that file again.I think that file is a virus or something like that.Please anybody can help me to overcome this problem?

  • 6 Contributors
  • 7 Replies
  • 355 Views
  • 2 Years Discussion Span
  • Latest Post Latest Post by Kelly Burby

Dani AI

Generated

Brief expert note about the recurring file _UnqiueId.dat (and similarly-named files) so the thread stays useful long after the original posts.

Files named like uniqueid.dat are often just small app/data files (some community projects and device tools create a tiny unique-id file), so the filename alone isn’t proof of malware. (forum.recalbox.com)

What to consider before assuming a virus

  • Legitimate apps can place small .dat files on the card (look at the parent folder to see which app created it). (forum.recalbox.com)
  • SD-card problems or a read-only/locked card sometimes make deletions appear to “bounce back” or restore cached items. (easeus.com)
  • Removable-media infections on a PC (autorun/shortcut-style worms) frequently recreate files when the card is mounted to an infected machine. Check for hidden autorun/shortcut files and reveal system/hidden items. (usbfix.net)

A short, safe checklist to identify the origin (do these first; they avoid destructive steps)

  1. Copy the file off the card (card reader or ADB) and keep the original for analysis.
  2. Inspect the copy in a plain-text editor or hex viewer (small plain-text with device IDs looks benign; unexpected executables or long binary blobs are suspicious).
  3. Hash the copy and check/submit the hash or file to an online scanner or vendor submission (for example Microsoft’s file submission service) before deleting. sha256sum _UnqiueId.dat then upload/submit as needed. (microsoft.com)
  4. On Windows reveal hidden/system files and look for autorun.inf or random EXEs; the attrib command can unhide files: 
    attrib -h -s -r /s /d X:\*.*

    (Replace X: with the drive letter.) (usbfix.net)

  5. If comfortable with developer tools, use ADB to pull the file and watch device logs while you connect/scan to see which process touches it: 
    adb pull /sdcard/_UnqiueId.dat .
adb logcat

    (ADB docs for reference). (developer.android.com)

Interpretation

  • If the file is tiny and contains plain text (a device id), it’s likely harmless. If it’s binary, flagged by scanners, or reappears alongside hidden autorun/shortcut files, treat it as suspicious and escalate to a full cleanup or professional help. (easeus.com)

Notes: this complements earlier replies in-thread (mentions by , and others); it focuses on confirming origin before taking irreversible steps.

Recommended Answers

All 7 Replies

Member Avatar for jingda

Hi pro learner, try posting this in the virus, spyware forums. experts there will be able to help you. Go to this link and psot your queries

http://www.daniweb.com/hardware-and-software/microsoft-windows/viruses-spyware-and-other-nasties/64

have you try scanning your phone for a virus, if yes deleted it. Have you tried taking out the battery, SD card and SIM card and put them back again. Go to the link i posted You can consult more experts advise. Good luck

Edited by jingda because: n/a
Member Avatar for pro_learner

Thank you very much jingda,for your help.....definitely I'll try your link.

Member Avatar for jingda

Hope you problem will be solved. I will visit your new thread

Member Avatar for yoga_1

Greetings , we are pleased there is an article on how to fix a virus on the computer and mobile phone, thanks to its share really helped me in fixing computers and mobile phones

Member Avatar for andrew684

Better you format all your mobile data. Am a curious one for this kind of problem and it might be slow or hanging out due to lack of device memory.

Member Avatar for creamtown

I usually re-format my phone everytime i see any error on my phone. It will remove and reformat all the system entirely. But you can always install some antivirus app to scan the problems.

Member Avatar for Kelly Burby

Try donwloading and installing antivirus, I am sure you can find a number of antivirus apps available !! :P

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.