8.0.1497.376 11.80%
8.0.1489.300 20.00%
8.0.1488.286 0.16%
8.0.1483.72 7.54%
8.0.1482.45 3.93%
7.0.1474.765 45.08%
7.0.1473.755 1.15%
7.0.1466.549 5.41%
7.0.1456.418 0.82%
7.0.1455.186 0.16%
7.0.1451.402 0.16%
7.0.1426.0 2.13%
7.0.1407.0 0.49%
6.0.1367.0 0.49%
6.0.1125.0 0.16%
6, 0, 999, 0 0.49%



avast! Antivirus by AVAST Software (Signed)

Remove AvastUi.exe
Warning 18 antivirus scanners has detected malware in various versions of AvastUi.exe.


There are 16 versions of avastui.exe in the wild, the latest version being 8.0.1497.376. avastui.exe is run as a standard windows process with the logged in user's account privileges. During installation, a run registry key for all users is added that will cause the program to run each time any user logs on to Windows. The average file size is about 4.1 MB. The file is a digitally signed and issued to AVAST Software by VeriSign. Some variations of the file have been seen to be installed with the program avast! Free Antivirus from AVAST Software. During the process's lifecycle, the typical CPU resource utilization is about 0.0088% including both foreground and background operations, the average private memory consumption is about 13.54 MB with the maximum memory reaching around 15.67 MB. Addionally, typically read and write I/O disk operations is about 31.21 KB per minute for reads and 143 Bytes per minute for writes.

What is avastui.exe?

avast! Antivirus is a full-featured antivirus and anti-spyware scanning and removal product. Avast offers a web-reputation browser extension as well as virtualization technology. Accurate threat updates via avast updates are delivered automatically using PUSH update technology in Avast! Antivirus.

About avastui.exe (from AVAST Software)

Free antivirus with anti-spyware protection for Windows. AVAST Software leads the security software industry – protecting 160 million PCs, Macs and Mobiles around the globe – by distributing FREE anti


File name:avastui.exe
Publisher:AVAST Software
Product name:avast! Antivirus
Typical file path:C:\Program Files\avast software\avast\avastui.exe
Issued to:AVAST Software
Authority (CA):VeriSign
Expiration date:Friday, January 31, 2014

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of avast! Antivirus.)
AVAST Software
9% remove
Avast! Free Antivirus is a full-featured antivirus and anti-spyware scanning and removal product that offers a web-reputation browser extension as well as virtualization technology. Accurate threat up...


(Note, the behaviors below are for all versions of avastui.exe, select a unique version for details.)
Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'avast5' → C:\Program Files1\ALWILS~1\Avast5\avastUI.exe /nogui
  • 'avast' → "C:\Program Files\AVAST Software\Avast\avastUI.exe" /nogui
Scheduled tasks
  • Entry path '\{BE644B67-0FC9-4E09-8921-3C92C4187F59}'
  • Entry path '\{A2010245-7908-40CE-A115-79DFB422FB5C}'
  • Entry path '\{83E22DC4-C629-429D-A5B9-3DBF2B43476D}'
  • Entry path '\{59B20A91-C364-4477-841A-79D826383F80}'
  • Entry path '\{D9C949DF-1FF9-49D3-92E4-FF09ADEE4B9E}'
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Program Files\AVAST Software\Avast\AvastUI.exe'
  • Firewall exception for 'C:\Programmer\Alwil Software\Avast5\AvastUI.exe'

MalwareMalware detections

Based on 40+ industry antivirus scanners, 18 of them detected the following malware.
Antivirus engineEngine versionDetectionFile version
ByteHero Trojan.Exception.gen.101 7.0.1466.549
ByteHero Trojan.Exception.gen.101 7.0.1426.0
ByteHero Trojan.Exception.gen.101 7.0.1474.765
ByteHero Trojan.Exception.gen.101 7.0.1456.418
ByteHero Trojan.Exception.gen.101 7.0.1473.755
ByteHero Trojan.Exception.gen.101 6, 0, 999, 0
ByteHero Trojan.Exception.gen.101 7.0.1407.0
ByteHero Trojan.Exception.gen.101 8.0.1482.45
ByteHero Trojan.Exception.gen.101 8.0.1483.72
ByteHero Trojan.Exception.gen.101 7.0.1455.186
ByteHero Trojan.Exception.gen.101 6.0.1367.0
ByteHero Trojan.Exception.gen.101 8.0.1489.300
ByteHero Trojan.Exception.gen.101 7.0.1451.402
ByteHero Trojan.Exception.gen.101 8.0.1488.286
ByteHero Trojan.Exception.gen.101 8.0.1497.376
Trend Micro HouseCall 9.700.0.1001 TROJ_GEN.F47V0824 7.0.1466.549
Trend Micro HouseCall 9.700.0.1001 HV_AGENT_CB2434CD.TOMC 7.0.1474.765
Trend Micro HouseCall 9.700.0.1001 TROJ_GEN.F47V0810 7.0.1407.0

VersionsAll file variations of avastui.exe

MD5SHA-1File size
cbc7d8e5416ad30cf16dc2fd4a6aa399 3f604b5bb0601534852e3017d69e8161e02fc8d8 4.63 MB
3f11b20d12d89365d7721bdc860ce5f0 ee9833d15410cad2146f6e831f591942aa9b5e2f 4.63 MB
1010e520b76453c6ad2d170d67a14cf3 55ec4cd366ccf06c14f939e0c19cc595f533857b 4.63 MB
148c545849c1379a3d4448f5de768e86 0c6c4ed057319c92d4cb3589068e7b15e37dd582 4.55 MB
a041821f04b20faf4cfa0f1672c285c5 05382a81c03cdd58c3fdd619263127f919492ba9 4.55 MB
083649ef692a066880c9326020915afe 04e91fea01faacbc3689e77392af3f56eca02325 4.1 MB
83292f9fc76395bd298982c14ac82b97 8e5376ec7e0dd2c5a95b2b49d497dba310aba7b7 4.1 MB
bad0d303ef0a519409c625738f3e10a3 94e7f605443469cf82d243b74b1e733fb6f64d59 4.08 MB
20c4535969f2006f6082cdf146cd95c4 e117729e0c4b7157c781fbb089107f38bb340cea 4.08 MB
34a3539b15a361f2a92e28c3124d148d 6a76f3a0216915401457b7104bd094bdf22a9369 4.05 MB
9c6a7aa17ed99a6693e7f3d26510903f 14a0a4f5ed886bfadde1b45e43124567d4edf9c4 4.08 MB
782fef655dbf8653c9f2722bebf7a8a6 8d9ae9add1c75c22dcc0226d79b5dc126346b97f 4.05 MB
2aae7e9da3f95c63c96fe3b690a68f76 70ee7b0a7ac978f86526f8bb3606b91d9e5aeec1 3.84 MB
f7226aa410954185160067d5fa82f3f2 746ffb9a16bb8021ea8631900ca23266d8d5c321 3.57 MB
4c6898f15701ae7c41775c14e423fe25 51bd8752fe51e83d593c9c220b5fd09e999c381f 3.3 MB
2e9a1a6555c20424fc6dcc3af21f4d68 879708cb04db3b9e50754808976e08947ac8858b 3.29 MB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 26.50%
Windows 7 Ultimate 19.50%
Microsoft Windows XP 19.00%
Windows 7 Professional 13.00%
Windows 8 4.50%
Windows Vista Home Premium 3.50%
Windows 8 Pro 3.00%
Windows 7 Home Basic 3.00%
Windows Vista Home Basic 2.00%
Windows 7 Enterprise 1.50%
Windows 7 Starter 1.50%
Windows 8 Pro with Media Center 0.75%
Windows 7 Ultimate N 0.75%
Windows Vista Business 0.50%
Windows Seven Black Edition 0.50%
Windows 8 Pro N 0.50%

Distribution by countryDistribution by country

United States installs about 33.50% of avast! Antivirus.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 20.19%
Hewlett-Packard 14.08%
Acer 13.62%
ASUS 12.21%
Toshiba 12.21%
Intel 7.51%
Lenovo 5.63%
Samsung 2.82%
American Megatrends 2.35%
Sony 1.88%
Compaq 1.88%
MSI 0.94%
Medion 0.94%
Gateway 0.94%
Packard Bell 0.47%
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