$RECWO2B.exe threat report

MD5 4bf9e4d6402010b6428664f6d94ceeb9
Latest seen 2025-03-16 23:03:36 (a year ago)
First seen 2017-05-21 03:02:01 (8 years ago)
Size 2 MB
Publisher UCWeb Inc.
Product UC浏览器

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as General Threat. 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
General Threat
Recommended action
Scan and remove
Last analysis
2025-03-16 23:03:36 (a year ago)
File hash
4bf9e4d6402010b6428664f6d94ceeb9
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as General Threat.

Timeline

First seen 2017-05-21 03:02:01 (8 years ago); latest analysis 2025-03-16 23:03:36 (a year ago).

Publisher context

Company metadata: UCWeb Inc.. Product metadata: UC浏览器.

Digital signature

Signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

$RECWO2B.exe is a Windows file recorded in the ThreatInfo database. It is associated with UC浏览器. The reported company name is UCWeb Inc.. The current detection status is General Threat, based on the latest analysis from 2025-03-16 23:03:36 (a year ago).

If $RECWO2B.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 General Threat.

Product Name: UC浏览器
Company Name: UCWeb Inc.
MD5: 4bf9e4d6402010b6428664f6d94ceeb9
Size: 2 MB
First Published: 2017-05-21 03:02:01 (8 years ago)
Latest Published: 2025-03-16 23:03:36 (a year ago)
Status: General Threat (on last analysis)
Analysis Date: 2025-03-16 23:03:36 (a year ago)
$RECWO2B.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: TAOBAO (CHINA) SOFTWARE CO.,LTD.
Status: Valid

The signature on $RECWO2B.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.

%appdata%\ucchannel\package\chrome-bin
%programfiles%\ucbrowser\application
%sysdrive%\adwcleaner\quarantine\files\mntitkbfiadmnocirbrxqyabirvogjqf\package\chrome-bin
%temp%\ucbrowseruninstall220_14908
%programfiles%\ucbrowser\uninstalltemp
%sysdrive%\adwcleaner\quarantine\files\boyxuimimdijubjdszkpssdnnuvycppo\package\chrome-bin
%temp%\ucbrowseruninstall5168_588
%temp%\ucbrowseruninstall5132_32126
%temp%\ucbrowseruninstall3244_25933
%temp%\ucbrowseruninstall788_13209

ThreatInfo has observed $RECWO2B.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.

Uninstall.exe
A0428054.exe
A0432427.exe
A0432571.exe
A0428886.exe
new_Uninstall.exe
$RLJ13RI.exe
Uninstall.exe.del
$RECWO2B.exe

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

21.9%
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The strongest geographic signal for this file is Vietnam with 21.9% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 7 50.7%
Windows 10 41.1%
Windows 8.1 6.7%
Windows 8 0.9%
Windows XP 0.4%
Windows Vista 0.2%
Windows Embedded Standard 0.1%

The most common operating system signal for $RECWO2B.exe is Windows 7 with 50.7% 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.

$RECWO2B.exe is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x000aae72

PE Sections:

Name Size of data MD5
.text 861184 3e76099b19f16e8dd10635bd15f4103b
.data 5120 c976419207e71ca3dcad354366de19e4
.idata 11776 5eee00745293fd01033b1ea618020a66
.gfids 1024 f0647b0ffa0233359adb88887cbd26b3
.tls 512 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 1636864 3dd13261164d03fbeb5ea809f570ec87
.reloc 28672 9bd684e47a90946868fc4d7b749a098e

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.

More information: