Original Issue Date:- June 4, 2019
Virus Type:-Android Malware
Severity:- Medium

It has been reported that the variants of a malware named as “uupay” targeting android devices are spreading. It is a Trojan that comes hidden in malicious applications and once installed via source (carrier) application, it attempts to gain "root" access to the infected device without user’s knowledge. The malware mainly spreads by installing apps from third party app stores. The earlier smartphone models infected by this malware includes Lenovo S860, Xiaomi MI3, Star N9500 and Huawei G510.

The malware is capable of performing the following functions:

  • Gather information from the device, such as the IMEI number, device ID, display information and network type.
  • Download and install additional apps and malware
  • Requires additional permissions during application installation
  • Gathers a list of Access Point Names (APNs) and force the device to use specific APN information
  • Read and Send SMS messages
  • Enable or disable the device's network connectivity
  • Extract data from logcat information and send to remote command and control server.

Indicators of Compromise:

Command and Control servers contacted:

  • s.fsptogo[].com
  • s.kavgo[.]com
  • dns[.]com
  • log6[.]com
  • push7[.]com
  • cloud6[.]com
  • g[.]cn

File Hashes:

  • fc8c04c2834ca3746d9df8bf1913bc1f
  • 37af8b4c5e54bdbfbd6ac2c86d94260c
  • 9497078861764b7974402791b96773de
  • 04bf01c799e8babf36fed3df946b07a4
  • 1308c1e0354077e6ccc9e45bf3176a81

Some of the compromised app were:


Best Practices:

  • If you have been infected by Apps such as those mentioned above, kindly uninstall it and if required, reinstall the apps from authentic app stores.
  • Do not download and install applications from untrusted sources [offered via unknown websites/ links on unscrupulous messages]. Install applications downloaded from reputed application market only.
  • Install and maintain updated antivirus solution on android devices. Scan the suspected device with antivirus solutions to detect and clean infections.
  • Prior to downloading / installing apps on android devices (even from Google Play Store), Always review the app details, number of downloads, user reviews, comments and "ADDITIONAL INFORMATION" section.
  • Verify app permissions and grant only those permissions which have relevant context for the app's purpose.
  • In settings, do not enable installation of apps from "Untrusted Sources".
  • Exercise caution while visiting trusted/untrusted sites for clicking links.
  • Install Android updates and patches as and when available from Android device vendors.
  • Users are advised to use device encryption or encrypting external SD card feature available with most of the android OS.
  • Do not download or open attachment in emails received from untrusted sources or unexpectedly received from trusted users.
  • Avoid using unsecured, unknown Wi-Fi networks. There may be rogue Wi-Fi access points at public places used for distributing malicious applications.
  • Confirm that the banking app you’re using is the official, verified version.
  • If anything looks awry or suddenly unfamiliar, check in with your bank’s customer service team.
  • Use two-factor authentication if it’s available.
  • Make sure you have a strong AI-powered mobile antivirus installed to detect and block this kind of tricky malware if it ever makes its way onto your system.
  • Refer to security best practices for mobile Phone users: