Vietnam
Vietnam Infostealer Threat Report — February 2026
02/01/2026 – 02/28/2026
Threat summary
Key figures from the month's threat activity.
Overview
Most common malware family: VIDAR (63.9% of infections). Sector with the most employee account leaks: Education. Leaked accounts rose by 11.4% compared with the previous month.
Ransomware victims in Vietnam12,482
infected devices · from 10 families
Report periodFeb 1, 2026 - Feb 28, 2026
Risk score
56+6vs previous month
- Infected devices
- 12,482
- Android devices
- 5,988
- Domains
- 40,839
- Employee accounts
- 1,246
- Customer accounts
- 366,320
- Families
- 10
Top 10 malware families
infections- 1VIDAR7,973
- 2PUREV41,888
- 3REMUS547
- 4STEALC489
- 5REDLINE420
- 6UNKNOWN366
- 7ARKEI233
- 8LUMMAC134
- 9MACSYNC STEALER108
- 10SANTA STEALER18
The full list is in the PDF reportDownload report
Top 10 antivirus
infected devices- 1Windows Defender7,367
- 2Reason Cybersecurity7
- 3Bitdefender5
Breakdown of leaks
Breakdown by sector, file type and critical system.
Employee accounts by sector
organizationsrecordsRansomware victimsemployee accounts- 1Education67organizations39.0Krecords–Ransomware victims246employee accounts
- 2Government27organizations8.2Krecords–Ransomware victims187employee accounts
- 3Technology32organizations101.1Krecords1Ransomware victims123employee accounts
- 4Manufacturing and industry7organizations1.2Krecords–Ransomware victims112employee accounts
- 5Gaming and betting3organizations20.1Krecords–Ransomware victims49employee accounts
- 6Telecommunications3organizations2.2Krecords–Ransomware victims31employee accounts
- 7Retail and e-commerce11organizations13.9Krecords–Ransomware victims28employee accounts
- 8Finance7organizations5.7Krecords–Ransomware victims18employee accounts
- 9Media2organizations14.2Krecords–Ransomware victims8employee accounts
- 10Energy1organizations161records–Ransomware victims7employee accounts
The full list is in the PDF reportDownload report
Report contents
Sections and pages of the full report.
Contents
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